The Eco-bricks from Once-Kids are made from precision-carved natural bamboo. These interlocking blocks aren't just fun - They're friendly to the planet, too! Stick them together and build, just like any other interlocking block construction set. Build houses, robots, planes, spaceships - It even comes with two wheel and axle sets for building all kinds of vehicles. Warning! Small parts CHOKING HAZARD. Not intended for children under 3 yrs. The possibilities are endless! - And if you're feeling REALLY creative, you can even COLOR your creations! The smooth, blank wooden surfaces are perfect for personalizing with markers, paint, pens, pencils, or any other crafting media you can imagine. Durable, beautifully crafted, and even compatible with most of the other major interlocking block brands (so you don't have to start your whole collection all over again), the Eco-Bricks™ Bamboo 24-Piece set is a brilliant first step into healthier, greener, construction block fun. Eco-Bricks™ Bamboo - 24pc or 45 pc. Set of 24 interlocking building blocks made entirely out of high quality wood. Encourages fine motor skills, visual-spatial skills, logic, creativity, environmental awareness. A beautiful first step into healthier, greener construction-block fun! Precisely designed, fit together just as well as original interlocking block sets. Fully compatible with major interlocking block brands. Smooth blank wooden surfaces are perfect for personalizing with paint, markers, pens, or any other type of media. Includes 4 - 4 Dot Wooden Covers, 18 - 8 Dot Wooden Blocks, 2 - 16 Dot Axel with wheels - Packaged in a laser engraved wooden storage box. High quality design for lasting durability. WARNING! CHOKING HAZARD-Small parts. Not intended for children under 3 years. 4+ Due to the nature of the product returns are not permitted.