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Interlocking Blocks

Discover our Interlocking Blocks collection, a carefully curated range that includes classic plastic bricks, soft foam blocks, sturdy wooden sets and advanced STEM construction kits in a variety of sizes, colours and complexity levels to suit toddlers, older children and creative hobbyists. These interlocking blocks promote imaginative play, fine motor development, spatial reasoning and problem-solving while being made from durable, non-toxic materials and designed for easy assembly and compatibility between sets. Browse this collection to compare styles, find educational toys for the home or classroom, select the perfect gift or build a long-term hobby—our selection makes it simple to find quality, value and the right features, supported by clear product details and customer reviews to help you choose with confidence.

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GUDI 26-piece A–Z Transforming Alphabet Robot & Dinosaur Building Block Toys

GUDI 26-piece A–Z Transforming Alphabet Robot & Dinosaur Building Block Toys

£56.00
£69.00
£69.00 - £69.00
£69.00
£56.00 - £56.00
£56.00
In stock

A set of 26 transforming letter toys that make learning the English alphabet more playful. Each piece represents a letter and converts into a s...

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£56.00
£69.00
£69.00 - £69.00
£69.00
£56.00 - £56.00
£56.00
107-Piece DIY Space Rocket & Spaceship Building Set — Launch Centre Model (Plastic Bricks)

107-Piece DIY Space Rocket & Spaceship Building Set — Launch Centre Model (Plastic Bricks)

£11.00
£13.00
£13.00 - £13.00
£13.00
£11.00 - £11.00
£11.00
In stock

Get hands-on with a 107-piece building set that lets you assemble a launch centre, rocket or spaceship. This compact model encour...

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£11.00
£13.00
£13.00 - £13.00
£13.00
£11.00 - £11.00
£11.00
100-piece DIY Magnetic Building Blocks — Mini World Diamond Set

100-piece DIY Magnetic Building Blocks — Mini World Diamond Set

£24.00
£30.00
£30.00 - £30.00
£30.00
£24.00 - £24.00
£24.00
In stock

Build a mini world with a 100-piece magnetic block set that encourages hands-on creativity. The kit includes both micro blocks and larger bloc...

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£24.00
£30.00
£30.00 - £30.00
£30.00
£24.00 - £24.00
£24.00
Animal Series 62-Piece Cat MOC Bricks DIY Building Blocks — Kids' Educational Toy

Animal Series 62-Piece Cat MOC Bricks DIY Building Blocks — Kids' Educational Toy

£9.00
£12.00
£12.00 - £12.00
£12.00
£9.00 - £9.00
£9.00
In stock

This 62-piece DIY MOC set lets children build a charming cat figure, great for hands-on creativity and display. The pieces are plastic and t...

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£9.00
£12.00
£12.00 - £12.00
£12.00
£9.00 - £9.00
£9.00
399‑Piece STEM Simple Machines Base Set – Homeschool Educational Building Blocks, LEGO‑style Compatible

399‑Piece STEM Simple Machines Base Set – Homeschool Educational Building Blocks, LEGO‑style Compatible

£43.00
£55.00
£55.00 - £55.00
£55.00
£43.00 - £43.00
£43.00
In stock

A 399-piece set designed for hands-on STEM and simple mechanism learning at home or in the classroom. Self-locking ABS bricks give you sturdy,...

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£43.00
£55.00
£55.00 - £55.00
£55.00
£43.00 - £43.00
£43.00
1816-piece Hongyadong Building Set — Mixed Colour Interlocking Bricks, Ages 14+

1816-piece Hongyadong Building Set — Mixed Colour Interlocking Bricks, Ages 14+

£17.00
£22.00
£22.00 - £22.00
£22.00
£17.00 - £17.00
£17.00
In stock

This 1816-piece Hongyadong set features mixed colour, small interlocking bricks for detailed builds. It’s designed to spark creativity and imagina...

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£17.00
£22.00
£22.00 - £22.00
£22.00
£17.00 - £17.00
£17.00
MOC Jurassic Brachiosaurus Building Kit — Small ABS Bricks Dinosaur Model (compatible)

MOC Jurassic Brachiosaurus Building Kit — Small ABS Bricks Dinosaur Model (compatible)

£13.00
£18.00
£18.00 - £18.00
£18.00
£13.00 - £13.00
£13.00
In stock

Build your own Jurassic Brachiosaurus from small, compatible ABS bricks. This model uses self-locking pieces for a secure, display-ready finish...

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£13.00
£18.00
£18.00 - £18.00
£18.00
£13.00 - £13.00
£13.00
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