Wonderful Monster.
Absolutely beautiful monster.
Retailer prices for 71455 are sorted by the latest lowest price.
Retailer pricesPrice history 71455
We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.
Daily lowest price tracked across 18 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 18 Dutch retailers, 14 Dec 2025 – 31 May 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €37,95 | Blokkenpiloot | In stock | |
| €29,95 | SpeelGoedNL | In stock | |
| €33,29 | Coppens Warenhuis | In stock | |
| €34,99 | Playtoday | In stock | |
| €34,95 | Made in Billund | In stock | |
| €29,95 | BuildingToys | In stock | |
| €29,95 | SpeelGoedNL | In stock | |
| €34,99 | Playtoday | In stock | |
| €34,95 | Made in Billund | In stock | |
| €29,95 | BuildingToys | In stock | |
| €37,95 | Blokkenpiloot | In stock | |
| €33,29 | Coppens Warenhuis | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Signal is mixed. Small movements are more likely than a big drop.
71455 by the numbers: price, stock and history.
For LEGO Grimkeeper the Cage Monster (71455), we track 6 retailers in the Netherlands, with 6 currently in stock. The current lowest price is €29,95. Use price history and stock data to judge whether this is a good time to buy.
Kids aged 7+ battle a fearsome nightmare figure in the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building set. Based on the action that takes place on the DREAMZzz TV show, the set lets kids build the villainous Grimkeeper and then help Mateo and Z-Blob rescue their friend Cooper from his evil clutches before he takes him to the Nightmare King. 1 set, 2 adventures To rescue Cooper from the Grimkeeper, kids can choose between 2 building options. They can build Z-Blob as a mini-plane to confront the villain, or as a hoverbike to pursue and intercept the Grimkeeper and free Cooper when the moment is right. This lets kids choose their own path and enjoy double the playtime. Bringing the fun to life Minifigures of Mateo and Cooper bring the action to life. Their accessories include a belt, pencil spear and hourglass, which are important to their characters in the TV show. Bring a villain to life – Kids can enjoy imaginative play with the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building toy set, which is based on a storyline from the TV show Fully articulated – The Grimkeeper has a fully articulated torso, arms and legs, making it easy for kids to pose it and recreate different scenes A torso cage – The Grimkeeper has a cage in his torso where he keeps his prisoners Choose the adventure – Kids can choose between turning Z-Blob into a mini-plane or a hoverbike 2 minifigures – This building toy set comes with minifigures of Mateo and Cooper Hours of play – The set is designed for kids aged 7 and over, who will get to spend hours of fun playing on their own or with friends Dimensions – The Grimkeeper stands over 21 cm (8.5 in.) tall A helping hand – The set features story-led building instructions, which are also available digitally in the LEGO® Builder app Premium quality – LEGO® bricks are designed to connect consistently every time Safety is a priority – LEGO® bricks have been rigorously tested to ensure they meet stringent safety requirements Build & Play – Kids can build and play with the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building set, which is based on a storyline from the TV show Detailed Design – The Grimkeeper has a detailed design with a cage in his torso, making it a realistic and engaging toy Easy to Assemble – The set comes with easy-to-follow building instructions, making it perfect for kids who are just starting to build LEGO sets Safe & Durable – LEGO® bricks are made from premium quality materials and are designed to withstand years of play
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Grimkeeper the Cage Monster (71455), we track 6 retailers in the Netherlands, with 6 currently in stock. The current lowest price is €29,95. Use price history and stock data to judge whether this is a good time to buy.
Kids aged 7+ battle a fearsome nightmare figure in the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building set. Based on the action that takes place on the DREAMZzz TV show, the set lets kids build the villainous Grimkeeper and then help Mateo and Z-Blob rescue their friend Cooper from his evil clutches before he takes him to the Nightmare King. 1 set, 2 adventures To rescue Cooper from the Grimkeeper, kids can choose between 2 building options. They can build Z-Blob as a mini-plane to confront the villain, or as a hoverbike to pursue and intercept the Grimkeeper and free Cooper when the moment is right. This lets kids choose their own path and enjoy double the playtime. Bringing the fun to life Minifigures of Mateo and Cooper bring the action to life. Their accessories include a belt, pencil spear and hourglass, which are important to their characters in the TV show. Bring a villain to life – Kids can enjoy imaginative play with the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building toy set, which is based on a storyline from the TV show Fully articulated – The Grimkeeper has a fully articulated torso, arms and legs, making it easy for kids to pose it and recreate different scenes A torso cage – The Grimkeeper has a cage in his torso where he keeps his prisoners Choose the adventure – Kids can choose between turning Z-Blob into a mini-plane or a hoverbike 2 minifigures – This building toy set comes with minifigures of Mateo and Cooper Hours of play – The set is designed for kids aged 7 and over, who will get to spend hours of fun playing on their own or with friends Dimensions – The Grimkeeper stands over 21 cm (8.5 in.) tall A helping hand – The set features story-led building instructions, which are also available digitally in the LEGO® Builder app Premium quality – LEGO® bricks are designed to connect consistently every time Safety is a priority – LEGO® bricks have been rigorously tested to ensure they meet stringent safety requirements Build & Play – Kids can build and play with the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building set, which is based on a storyline from the TV show Detailed Design – The Grimkeeper has a detailed design with a cage in his torso, making it a realistic and engaging toy Easy to Assemble – The set comes with easy-to-follow building instructions, making it perfect for kids who are just starting to build LEGO sets Safe & Durable – LEGO® bricks are made from premium quality materials and are designed to withstand years of play
The current lowest price is €29,95 across 6 tracked retailers.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Plates
Plate 2 x 2
Part ID 3022 · Black
Qty 12
Plate 1 x 2
Part ID 3023 · Magenta
Qty 6
Plate 2 x 6
Part ID 3795 · Black
Qty 4
Plate 1 x 2
Part ID 3023 · Black
Qty 3
Plate 1 x 6
Part ID 3666 · Black
Qty 3
Plate 2 x 12
Part ID 2445 · Black
Qty 1
Plate 2 x 4
Part ID 3020 · Light Bluish Gray
Qty 1
Plate 2 x 3
Part ID 3021 · Dark Bluish Gray
Qty 1
Plate 2 x 2
Part ID 3022 · Lime
Qty 1
Plate 2 x 8
Part ID 3034 · Light Bluish Gray
Qty 1
Plate 2 x 6
Part ID 3795 · White
Qty 1
Bars, Ladders and Fences
Bar Holder with Hole and Bar Handle
Part ID 23443 · Light Bluish Gray
Qty 10
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]
Part ID 3484 · Dark Bluish Gray
Qty 4
Lattice 3 x 6 Module with Studs
Part ID 23444 · Black
Qty 1
Bar 4L (Lightsaber Blade / Wand)
Part ID 30374 · Bright Light Orange
Qty 1
Animal / Creature Body Parts
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium
Part ID 87747 · Yellowish Green
Qty 10
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Large
Part ID 11089 · Magenta
Qty 4
Animal Body Part, Horn (Cattle)
Part ID 64847 · Magenta
Qty 4
Animal Body Part, Bat Wing with Shaft [Chima Bat Wing]
Part ID 15082 · Trans-Dark Pink
Qty 2
Animal Body Part / Plant, Tail / Vine Curled with Bar
Part ID 1997 · White
Qty 2
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Part ID 53451 · Yellowish Green
Qty 1
Creature Body Part, Horn (Unicorn)
Part ID 89522 · Flat Silver
Qty 1
Bricks Curved
Slope Curved 2 x 1 No Studs [1/2 Bow]
Part ID 11477 · Dark Bluish Gray
Qty 8
Slope Curved 2 x 1 No Studs [1/2 Bow]
Part ID 11477 · White
Qty 4
Slope Curved 2 x 2 x 2/3
Part ID 15068 · Black
Qty 3
Slope Curved 2 x 1 Inverted
Part ID 24201 · Dark Bluish Gray
Qty 2
Plates Round Curved and Dishes
Plate Round 1 x 1 with Open Stud
Part ID 85861 · Light Bluish Gray
Qty 6
Plate Round Corners 2 x 6 Double
Part ID 18980 · Black
Qty 4
Plate Special 1 x 2 Rounded with 2 Open Studs
Part ID 35480 · Dark Bluish Gray
Qty 4
Tiles Round and Curved
Tile Round 1 x 1
Part ID 98138 · Trans-Bright Green
Qty 6
Tile Round 1 x 1
Part ID 98138 · Black
Qty 2
Tile Round 1 x 1 Quarter
Part ID 25269 · Dark Bluish Gray
Qty 1
Tile Round 1 x 1
Part ID 98138 · Bright Pink
Qty 1
Tile Round 1 x 1 with Black Animal Eye print
Part ID 98138pr0364 · Yellow
Qty 1
Tile Round 1 x 1 with Black Hourglass print
Part ID 98138pr0365 · White
Qty 1
Minifig Upper Body
Arm Mechanical with Clip [Thick Support]
Part ID 98313 · Pearl Titanium
Qty 6
Technic Pins
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle
Part ID 11214 · Red
Qty 4
Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction
Part ID 47455 · Black
Qty 4
Technic Axle Pin with Friction Ridges Lengthwise
Part ID 43093 · Blue
Qty 2
Technic Pin 1/2
Part ID 4274 · Light Bluish Gray
Qty 1
Technic Special
Brick Round 2 x 2 D. Tube with Rotation Joint Ball Half
Part ID 1994 · Black
Qty 4
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes
Part ID 67696 · Black
Qty 3
Technic Ball Joint with Through Axle Hole
Part ID 53585 · Black
Qty 2
Bricks
Brick 1 x 2
Part ID 3004 · Magenta
Qty 4
Brick 2 x 2
Part ID 3003 · Black
Qty 2
Brick 1 x 2 without Bottom Tube
Part ID 3065 · Trans-Bright Green
Qty 1
Bricks Sloped
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Magenta
Qty 4
Slope 30° 1 x 2 x 2/3
Part ID 85984 · Black
Qty 2
Slope Inverted 45° 6 x 2 Double with 2 x 4 Recessed
Part ID 22889 · White
Qty 1
Slope 30° 1 x 2 x 2/3 with Green Screens and Controls Print
Part ID 85984pr0013 · Dark Bluish Gray
Qty 1
Plates Special
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Part ID 60897 · Dark Bluish Gray
Qty 4
Plate Special 1 x 2 with Clip Horizontal on End
Part ID 63868 · Lime
Qty 4
Plate Special 1 x 2 with Clip Vertical on End
Part ID 78256 · White
Qty 4
Bracket 1 x 2 - 2 x 2 Inverted
Part ID 99207 · Dark Bluish Gray
Qty 4
Plate Special 2 x 3 with Rocks
Part ID 27261 · Black
Qty 3
Plate Special 1 x 2 with Clip Horizontal on Side
Part ID 11476 · Light Bluish Gray
Qty 2
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Part ID 15573 · White
Qty 2
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top]
Part ID 28802 · White
Qty 2
Bracket 1 x 1 - 1 x 1
Part ID 36841 · Light Bluish Gray
Qty 2
Plate Special 1 x 4 Offset with Bar Holes
Part ID 4590 · Dark Bluish Gray
Qty 2
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]
Part ID 61252 · White
Qty 2
Plate Special 1 x 2 with Clip Horizontal on End
Part ID 63868 · Dark Bluish Gray
Qty 2
Bracket 1 x 1 - 1 x 2 Inverted
Part ID 73825 · Black
Qty 2
Plate Special 1 x 2 with Angled Handles on Side
Part ID 92692 · Black
Qty 2
Bracket 1 x 2 - 1 x 2
Part ID 99781 · Light Bluish Gray
Qty 2
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
Part ID 18674 · Black
Qty 1
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L
Part ID 32828 · Light Bluish Gray
Qty 1
Plate Special 1 x 2 [Side Handle Closed Ends]
Part ID 48336 · Black
Qty 1
Plate Special 1 x 2 with Clips Horizontal [Open O Clips]
Part ID 60470b · Dark Bluish Gray
Qty 1
Bricks Round and Cones
Brick Round 2 x 2 D. Tube with 45° Elbow and Axle Holes (Crossholes) at Each End [SHORT]
Part ID 65473 · Black
Qty 4
Brick Round 2 x 2 with Axle Hole
Part ID 3941 · Yellow
Qty 1
Cone 1 x 1 [Top Groove]
Part ID 59900 · Tan
Qty 1
Bricks Special
Brick Special 1 x 2 x 1 1/3 with Rotation Joint Socket
Part ID 80431 · Dark Bluish Gray
Qty 4
Brick Special 1 x 1 with Stud on 1 Side
Part ID 87087 · Black
Qty 4
Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder
Part ID 73562 · Dark Bluish Gray
Qty 3
Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom
Part ID 11215 · Black
Qty 2
Brick Special 1 x 1 Studs on 4 Sides
Part ID 4733 · Dark Bluish Gray
Qty 1
Tiles Special
Tile Special 1 x 1 with Clip with Rounded Edges
Part ID 15712 · Black
Qty 3
Technic Axles
Technic Axle 3 with Stop
Part ID 24316 · Reddish Brown
Qty 3
Large Buildable Figures
Large Figure Shoulder Cover, Armor, Round, Smooth with Bar
Part ID 1686 · Pearl Titanium
Qty 2
Technic Connectors
Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders
Part ID 24122 · Black
Qty 2
Windscreens and Fuselage
Technic Bricks
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
Part ID 32064a · Dark Bluish Gray
Qty 2
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate
Part ID 73109 · Light Bluish Gray
Qty 2
Bricks Wedged
Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End
Part ID 47456 · Pearl Titanium
Qty 2
Projectiles / Launchers
Launcher, Plate Special 1 x 2 with Mini Blaster Square
Part ID 69754 · Light Bluish Gray
Qty 2
Launcher Trigger, Weapon Gun Trigger
Part ID 69755 · Dark Bluish Gray
Qty 2
Minifig Accessories
Equipment Hourglass with Pearl Gold Sand Pattern
Part ID 23945pat0003 · Trans-Clear
Qty 1
Minifig Hipwear
Tiles
Tile 1 x 1 with Keyhole Print
Part ID 3070bpr0147 · Light Bluish Gray
Qty 1
Tile 2 x 4 with Groove
Part ID 87079 · Black
Qty 1
Hinges, Arms and Turntables
Hinge Brick 1 x 2 Base
Part ID 3937 · White
Qty 1
Hinge Brick 2 x 2 Top Plate Thin
Part ID 6134 · Light Bluish Gray
Qty 1
Transportation - Land
Wheel Arch, Curved Wedge 4 x 3 with 2 x 2 Opening and 4 Studs
Part ID 47755 · White
Qty 1
Windows and Doors
Door 1 x 4 x 6 Barred with Stud Handle
Part ID 60621 · Pearl Titanium
Qty 1
Minifig Shields, Weapons, & Tools
Weapon Lightsaber Hilt with Bottom Ring
Part ID 64567 · Bright Light Orange
Qty 1
Technic Beams Special
Technic Beam 1 x 2 with Ball Joint Holes in Ball
Part ID 67697 · Black
Qty 1
Retailer reviews
Summarized retailer review data when available.
Absolutely beautiful monster.
My grandson was very happy with it. We built it together, step by step. He started playing with it immediately.
My grandson was absolutely delighted.
fast delivery.
It's perfect and a fun gift.
My grandson received this as a gift. As a young LEGO fan, this gift was very exciting. He built it immediately, with a little help from his grandmother. It's a beautiful item from a new series, and he has spent hours playing with it.
All retailer prices
Current prices, stock and discounts per retailer.
Price context
Lowest, highest and average price for this set.
This context is based on 1154 price points across 6 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
The signal is mixed. Small movements are more likely than a large drop.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Quick answers about price, stock and set data.