Once Kids Eco-bricks™ Classic Wooden Blocks Building Construction Toy Castle
Once Kids Eco-bricks™ Color Blocks Building toy

Create with Color!

Eco-bricks™ are wooden blocks you can personalize with color!
FSC Certified and Compatible with Plastic Blocks.
Includes 10 Color pencils. Easily erase with a melamine sponge.

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Once Kids Eco-bricks™ Plus Wooden construction Block Building Toy
Once Kids Eco-bricks™ Plus Wooden Building Blocks Toy

Eco-bricks™ Plus

Durable and beautifully crafted wooden blocks that are friendly to the planet!
Twice the size of Eco-bricks™. Natural and Water Based Color.
Works with Plastic Blocks too!

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Once Kids Eco-bricks™ Bamboo Blocks Building Construction Toy Car
Once Kids Eco-bricks™ Bamboo Robot Wooden Blocks Building Toy Robot

Eco-bricks™ Bamboo

Made from precision-cut natural, sustainable bamboo.
Antimicrobial, so they stay clean with high use.

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Once Kids Playhard Heroes Wooden Action figures Compatible with Eco-bricks™ and Plastic Blocks Construction Toy
Once Kids Action Figures Playhard heroes Compatible with Eco-bricks™ Plus Blocks

Playhard Heroes

Our Compatible Action Figures are a great
alternative to traditional plastic figures!
Compatible with Eco-bricks™ Plus+ and Plastic Blocks.

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Once Kids Wanderlust Wood and Felt Block Play Sets Toys Bangkok Toy Wood Blocks
Wanderlust Once Kids Play Set New York Blocks

Wanderlust Series

Go site-seeing during playtime with these iconic city collections!
Wood blocks infused with felt spun from recycled plastic bottles.

Explore Available Cities
Once Kids Builder Box Eco-bricks™ Color wooden construction block toys subscription set toys kids
Once Kids Builder Box Eco-bricks™ Color wooden construction block toys subscription set toys kids

NEW Subscription Boxes!

Eco-bricks ™ Builders is a bi-monthly subscription.
Each box set directs a themed experience in a new color pallet.
Submit your designs online in our Build Contest. Free Shipping!


The World’s First All-Wooden Building Block System for Environmentally friendly families!

In 2014, Once-Kids became the world’s first ever 100% compostable wooden construction building block system, compatible with the plastic interlocking blocks families might already have. Once-Kids has now grown to offer multiple environmentally-friendly toy options, including our Eco-bricks™ Bamboo, Color, Plus size blocks, and Compatible Action figures and Minifigures!
Patent Pending.

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