Duplo
A very happy child with these Duplo
Retailer prices for 10420 are sorted by the latest lowest price.
Retailer pricesPrice history 10420
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 11 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 11 Dutch retailers, 14 Dec 2025 – 1 Jun 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €21,99 | ALMAspeelgoed | In stock | |
| €19,99 | Mijn Speeleiland | In stock | |
| €19,99 | Unieke Bricks | In stock | |
| €19,95 | SpeelGoedNL | In stock | |
| €21,99 | ALMAspeelgoed | In stock | |
| €19,99 | Mijn Speeleiland | In stock | |
| €19,99 | Unieke Bricks | In stock | |
| €19,95 | SpeelGoedNL | In stock | |
| €21,99 | ALMAspeelgoed | In stock | |
| €19,99 | Mijn Speeleiland | In stock | |
| €19,95 | SpeelGoedNL | In stock | |
| €19,99 | Mijn Speeleiland | 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.
How LEGO 10420 compares to RRP and history.
For LEGO Ariel and Flounder's Café Stand (10420), we track 4 retailers in the Netherlands, with 4 currently in stock. The current lowest price is €19,95. Use price history and stock data to judge whether this is a good time to buy.
Give Little Mermaid fans a fun adventure under the sea as they hang out at the LEGO® DUPLO® | Disney Ariel and Flounder's Cafe Stand (10420) building toy. Preschool kids aged 2 and up join characters they know and love from the Disney Junior TV show Ariel. This LEGO DUPLO building toy comes with a set of table and chairs and fruit elements. The buildable cafe has a serving hatch with a hinged window that opens and closes, giving little builders the chance to practice their fine motor skills. This construction toy, which encourages imagination and creativity, lets grown-ups and preschool kids share learning moments. Toddlers observe and imitate as they create adventures for the 2 LEGO DUPLO figures: Ariel and Flounder. They begin to understand feelings by labeling the emotions a character might experience in the play situation. This educational building set also helps develop logical thinking as toddlers assemble the easy-to-handle bricks to recreate scenes from the TV show. Construction toy for Little Mermaid fans aged 2+ - LEGO® DUPLO® | Disney Ariel and Flounder's Cafe Stand building toy with fruit elements for fun food play for toddlers 2 familiar characters - This role-play construction toy for preschool kids comes with 2 LEGO® DUPLO® figures: Ariel and Flounder from the Disney Junior TV show Ariel Educational building toy for preschool kids - Toddlers learn the names of fruit as they imagine ordering smoothies and hanging out with friends at this colorful underwater cafe Develops dexterity - This build-and-rebuild toy is expertly designed to help toddlers hone their fine motor skills, color sorting and hand-eye coordination as they assemble the easy-to-handle bricks A treat for little Disney fans - This is a fun anytime gift idea for toddlers aged 2+ who love the Disney Junior Ariel TV show Quality building sets - LEGO® DUPLO® construction sets use bricks and elements that have been tested to the max to ensure they fulfill demanding child safety standards Kids' learning toy for preschoolers - LEGO® DUPLO® toys support emotional and developmental learning through fun-filled, creative playtime Measurements - This 24-piece building set includes a cafe construction toy measuring over 5 in. (13 cm) high, 6 in. (16 cm) wide and 3.5 in. (9 cm) deep
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Ariel and Flounder's Café Stand (10420), we track 4 retailers in the Netherlands, with 4 currently in stock. The current lowest price is €19,95. Use price history and stock data to judge whether this is a good time to buy.
Give Little Mermaid fans a fun adventure under the sea as they hang out at the LEGO® DUPLO® | Disney Ariel and Flounder's Cafe Stand (10420) building toy. Preschool kids aged 2 and up join characters they know and love from the Disney Junior TV show Ariel. This LEGO DUPLO building toy comes with a set of table and chairs and fruit elements. The buildable cafe has a serving hatch with a hinged window that opens and closes, giving little builders the chance to practice their fine motor skills. This construction toy, which encourages imagination and creativity, lets grown-ups and preschool kids share learning moments. Toddlers observe and imitate as they create adventures for the 2 LEGO DUPLO figures: Ariel and Flounder. They begin to understand feelings by labeling the emotions a character might experience in the play situation. This educational building set also helps develop logical thinking as toddlers assemble the easy-to-handle bricks to recreate scenes from the TV show. Construction toy for Little Mermaid fans aged 2+ - LEGO® DUPLO® | Disney Ariel and Flounder's Cafe Stand building toy with fruit elements for fun food play for toddlers 2 familiar characters - This role-play construction toy for preschool kids comes with 2 LEGO® DUPLO® figures: Ariel and Flounder from the Disney Junior TV show Ariel Educational building toy for preschool kids - Toddlers learn the names of fruit as they imagine ordering smoothies and hanging out with friends at this colorful underwater cafe Develops dexterity - This build-and-rebuild toy is expertly designed to help toddlers hone their fine motor skills, color sorting and hand-eye coordination as they assemble the easy-to-handle bricks A treat for little Disney fans - This is a fun anytime gift idea for toddlers aged 2+ who love the Disney Junior Ariel TV show Quality building sets - LEGO® DUPLO® construction sets use bricks and elements that have been tested to the max to ensure they fulfill demanding child safety standards Kids' learning toy for preschoolers - LEGO® DUPLO® toys support emotional and developmental learning through fun-filled, creative playtime Measurements - This 24-piece building set includes a cafe construction toy measuring over 5 in. (13 cm) high, 6 in. (16 cm) wide and 3.5 in. (9 cm) deep
The current lowest price is €19,95 across 4 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 · Bright Light Yellow
Qty 2
Duplo Brick 2 x 2
Part ID 3437 · Coral
Qty 2
Duplo Cone / Ice Cup
Part ID 27383 · Lime
Qty 1
Duplo Plate 2 x 4
Part ID 40666 · Light Aqua
Qty 1
Duplo Plate 4 x 8
Part ID 4672 · Dark Purple
Qty 1
Duplo Door / Window Frame Flat Front Surface, Completely Open Back
Part ID 61649 · Lavender
Qty 1
Duplo Plant, Flower with 1 Top Studs
Part ID 84195 · Coral
Qty 1
Non-Buildable Figures (Duplo, Fabuland, etc)
Retailer reviews
Summarized retailer review data when available.
A very happy child with these Duplo
Very fun
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 446 price points across 4 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.