DUPLO®

Alphabet Truck

10421
36 pieces
Retiring Next 8 months
BUYING ADVICE
✅Good deal
25% OFF
A solid 25% discount. This is a good deal based on this set's typical pricing. It has been as low as £22.09 (37% off), so the current deal is good but not the best we've seen. Price just dropped from £34.98.

retail price

£34.99

 

best price

£26.24

-£8.75

Lowest ever: £22.09 at Zatu (1 Oct 2026)

This set is 25% off - watch it to get notified of even bigger drops

About LEGO Alphabet Truck

Building with 36 pieces, children construct a colourful truck with detachable trailer that becomes the centrepiece for alphabet learning adventures. The cab accommodates 2 DUPLO figures, while the trailer is designed to transport and display the complete set of 26 alphabet bricks. Each brick features large, clear letters in bright colours that help develop letter recognition and colour-sorting skills.

The set encourages active learning through hands-on play. Toddlers can group the alphabet bricks by colour, load them onto the truck, and experiment with forming simple words. The truck remains fully drivable throughout play, allowing children to combine building activities with imaginative vehicle adventures.

Interactive Learning Features

Additional elements enhance the educational experience. A toy stereo piece encourages singing ABC songs, while a book element introduces early reading concepts. These accessories are designed to engage children at different stages of their learning journey, from basic letter recognition to early word formation.

The completed truck measures 11 cm high, 14 cm long and 7 cm wide, making it an ideal size for toddlers aged 2 and up. The large DUPLO bricks are specifically designed for developing fine motor skills whilst meeting strict child safety standards through extensive testing.

Where to Buy LEGO Alphabet Truck for the Best Price

We've been tracking prices for this set since November 2025. The recommended retail price is £34.99. It's currently available from 10 retailers, with Amazon offering the best price at £26.24, which is 25% below RRP. The lowest price we've ever recorded was £22.09 at Zatu in October 2026, 37% off RRP. Over its tracked history, prices have ranged from £22.09 to £42.95. This set is expected to retire next 8 months, so prices may increase as availability decreases.

Set Details

Set Number
10421
Pieces
36
Theme
DUPLO®
RRP
£34.99
Best Price
£26.24
Price per Piece
0.73p
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Price History

Weekly view

Additional Images

Price History

Amazon
09/11/2026
£26.24
↓£8.75
John Lewis
09/11/2026
£26.24
Zatu
02/11/2026
£31.45
Joybuy
02/11/2026
£34.99
Argos
31/10/2026
£35.00
LEGO
21/10/2026
£34.99
Coolshop
19/10/2026
£42.95
Hamleys
17/10/2026
£34.99
ASDA
28/09/2026
£34.98
Chaos Cards
06/08/2026
£31.95