Definitely a must-have
This set is great for stimulating creativity. I bought it because I wanted a set that wouldn't necessarily have to follow a specific "theme," but would allow the child to play freely with their imagination. Highly recommended.
Retailer prices for 10909 are sorted by the latest lowest price.
Retailer pricesPrice history 10909
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 4 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 4 Dutch retailers, 16 Dec 2025 – 31 May 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock | |
| €27,95 | Made in Billund | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Stronger signal than most sets in this theme. Waiting is a reasonable strategy.
10909 by the numbers: price, stock and history.
For LEGO Heart Box (10909), we track 1 retailer in the Netherlands, with 1 currently in stock. The current lowest price is €27,95. Use price history and stock data to judge whether this is a good time to buy.
This exciting mix of LEGO® DUPLO® bricks is bursting with ideas and inspiration! As parents and toddlers build, play, and rebuild, this imaginative learning toy will kickstart kids' creative building and deliver developmental benefits that last a lifetime. Unleash kids' creativity with this stimulating starter set. Little hands can't wait to get hold of the toddler-friendly bricks and start building. Simple instructions ensure the imaginative play starts without delay. There's a house, ice cream, whale, flower, helicopter, and duck. Each easy-to-build model provides lots to talk about and imaginative stories to role-play. The creative fun continues as kids mix the bricks to build their own creations. Build valuable skills with a first LEGO DUPLO set. LEGO DUPLO playsets put open-ended play and self-expression into the hands of budding builders. With recognizable settings, familiar characters, and toddler-friendly bricks, they inspire preschoolers with a boundless enthusiasm for playful learning. Your little builder will love this colorful mix of LEGO® DUPLO® bricks. With 15 fun models and endless free-building creativity, this versatile playset is bursting with imaginative possibilities for any toddler. Includes 80 colorful, toddler-friendly bricks that build into 15 easy-to-make fun models, including a house, ice cream, whale, flower, etc. And as kids build, play, and imagine, they'll learn skills that last a lifetime. Share fun and learning with your little builder. Start with the 15 simple models. Let them put the "I love" LEGO® letters in front of their favorite (will it be ice cream?). Then help them make creations of their own! With cute, colorful models made with safe, easy-to-handle bricks, this educational toddler toy makes a great Christmas, birthday, or any-other-day gift for boys and girls aged 18 months and up. Each of the 15 starter models is a cute object that toddlers will recognize from everyday life. Combine the pieces with other LEGO® DUPLO® sets for even more creative possibilities. No batteries needed. The building fun is powered by kids' imaginations – so it never ends! Hands-on, battery-free toys boost kids' fine motor and problem-solving skills, and it puts creative play right in their hands. Open the box and start playing immediately. Simple instructions for parents and toddlers show how to assemble the easy-to-build models. And once kids begin building, the fun will never stop! LEGO® DUPLO® playsets make great gifts for toddlers. They encourage open-ended play and deliver developmental benefits using real-life scenarios, familiar characters, cute animals, and free-thinking fun. LEGO® DUPLO® preschool learning toys meet the highest industry standards, ensuring they are easy for little hands to pick up, place, and pull apart – and it’s been that way since 1969! At The LEGO Group, we drop, squash, twist, heat, bend, scratch, and stretch LEGO® DUPLO® bricks and pieces to make sure every little builder's DUPLO playset meets the highest global safety and quality standards.
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Heart Box (10909), we track 1 retailer in the Netherlands, with 1 currently in stock. The current lowest price is €27,95. Use price history and stock data to judge whether this is a good time to buy.
This exciting mix of LEGO® DUPLO® bricks is bursting with ideas and inspiration! As parents and toddlers build, play, and rebuild, this imaginative learning toy will kickstart kids' creative building and deliver developmental benefits that last a lifetime. Unleash kids' creativity with this stimulating starter set. Little hands can't wait to get hold of the toddler-friendly bricks and start building. Simple instructions ensure the imaginative play starts without delay. There's a house, ice cream, whale, flower, helicopter, and duck. Each easy-to-build model provides lots to talk about and imaginative stories to role-play. The creative fun continues as kids mix the bricks to build their own creations. Build valuable skills with a first LEGO DUPLO set. LEGO DUPLO playsets put open-ended play and self-expression into the hands of budding builders. With recognizable settings, familiar characters, and toddler-friendly bricks, they inspire preschoolers with a boundless enthusiasm for playful learning. Your little builder will love this colorful mix of LEGO® DUPLO® bricks. With 15 fun models and endless free-building creativity, this versatile playset is bursting with imaginative possibilities for any toddler. Includes 80 colorful, toddler-friendly bricks that build into 15 easy-to-make fun models, including a house, ice cream, whale, flower, etc. And as kids build, play, and imagine, they'll learn skills that last a lifetime. Share fun and learning with your little builder. Start with the 15 simple models. Let them put the "I love" LEGO® letters in front of their favorite (will it be ice cream?). Then help them make creations of their own! With cute, colorful models made with safe, easy-to-handle bricks, this educational toddler toy makes a great Christmas, birthday, or any-other-day gift for boys and girls aged 18 months and up. Each of the 15 starter models is a cute object that toddlers will recognize from everyday life. Combine the pieces with other LEGO® DUPLO® sets for even more creative possibilities. No batteries needed. The building fun is powered by kids' imaginations – so it never ends! Hands-on, battery-free toys boost kids' fine motor and problem-solving skills, and it puts creative play right in their hands. Open the box and start playing immediately. Simple instructions for parents and toddlers show how to assemble the easy-to-build models. And once kids begin building, the fun will never stop! LEGO® DUPLO® playsets make great gifts for toddlers. They encourage open-ended play and deliver developmental benefits using real-life scenarios, familiar characters, cute animals, and free-thinking fun. LEGO® DUPLO® preschool learning toys meet the highest industry standards, ensuring they are easy for little hands to pick up, place, and pull apart – and it’s been that way since 1969! At The LEGO Group, we drop, squash, twist, heat, bend, scratch, and stretch LEGO® DUPLO® bricks and pieces to make sure every little builder's DUPLO playset meets the highest global safety and quality standards.
The current lowest price is €27,95 across 1 tracked retailers.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Duplo, Quatro and Primo
Duplo Brick 2 x 2
Part ID 3437 · White
Qty 8
Duplo Brick 2 x 2
Part ID 3437 · Red
Qty 7
Duplo Brick 2 x 2
Part ID 3437 · Yellow
Qty 7
Duplo Brick 2 x 2
Part ID 3437 · Lime
Qty 6
Duplo Brick 2 x 2
Part ID 3437 · Bright Light Yellow
Qty 4
Duplo Brick 2 x 2
Part ID 3437 · Coral
Qty 4
Duplo Brick 2 x 2
Part ID 3437 · Medium Azure
Qty 3
Duplo Plate 2 x 4
Part ID 40666 · Medium Azure
Qty 3
Duplo Brick 2 x 2
Part ID 3437 · Yellowish Green
Qty 2
Duplo Brick 2 x 2
Part ID 3437 · Light Aqua
Qty 2
Duplo Brick 2 x 2
Part ID 3437 · Orange
Qty 2
Duplo Plate 2 x 4
Part ID 40666 · Coral
Qty 2
Duplo Brick 2 x 2 Slope 45°
Part ID 6474 · Medium Azure
Qty 2
Duplo Brick 1 x 2 x 2 with Bottom Tube
Part ID 76371 · White
Qty 2
Duplo Brick 2 x 3 with Curved Bottom
Part ID 98252 · Light Aqua
Qty 2
Duplo Brick 2 x 2 x 1 1/2 with Curved Top
Part ID 11170 · Medium Azure
Qty 1
Duplo Rotor 3 blade, 4 Diameter (Propeller)
Part ID 15211 · Black
Qty 1
Duplo Brick 2 x 3 with Curved Top
Part ID 2302 · Medium Azure
Qty 1
Duplo Brick 4 x 2 Double Slope 45°
Part ID 29303 · Red
Qty 1
Duplo Brick 2 x 4
Part ID 3011 · Bright Light Yellow
Qty 1
Duplo Brick 2 x 4
Part ID 3011 · Red
Qty 1
Duplo Brick 2 x 2 with Eye with White Teardrop Spot / Closed Eye Print
Part ID 3437pr0134 · Medium Azure
Qty 1
Duplo Plate 2 x 4
Part ID 40666 · White
Qty 1
Duplo Plate 2 x 4
Part ID 40666 · Lime
Qty 1
Duplo Plant, Flower with 1 Top Stud
Part ID 6510 · Yellow
Qty 1
Duplo Plant, Flower with 1 Top Stud
Part ID 6510 · Lime
Qty 1
Duplo Plant, Flower with 1 Top Stud
Part ID 6510 · Light Aqua
Qty 1
Duplo Turntable / Cannon Base 2 x 2
Part ID 92011 · Dark Azure
Qty 1
Duplo Brick 2 x 4 Curved Top
Part ID 98223 · Medium Azure
Qty 1
Duplo Brick 2 x 4 Curved Top
Part ID 98223 · Yellow
Qty 1
Duplo Brick 2 x 4 Curved Bottom
Part ID 98224 · Dark Azure
Qty 1
Duplo Brick 2 x 4 Curved Bottom
Part ID 98224 · Yellow
Qty 1
Duplo Brick 2 x 4 Curved Bottom
Part ID 98224 · Lime
Qty 1
Duplo Plate 2 x 6
Part ID 98233 · White
Qty 1
Duplo Brick 2 x 3 with Curved Bottom
Part ID 98252 · Yellow
Qty 1
Retailer reviews
Summarized retailer review data when available.
This set is great for stimulating creativity. I bought it because I wanted a set that wouldn't necessarily have to follow a specific "theme," but would allow the child to play freely with their imagination. Highly recommended.
Fits
Okay
Item as described
My kids loved it and you can construct nice objects as suggested in the ideas booklet.
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 103 price points across 1 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
Waiting is a reasonable strategy: the signal is stronger than many comparable sets.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Quick answers about price, stock and set data.