Made from precision-carved natural wood. 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.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™ 45-Piece set is a brilliant first step into healthier, greener, construction block fun. Eco-Bricks™ - 250 pcSet of 250 interlocking building blocks made entirely out of high quality woodEncourages fine motor skills, visual-spatial skills, logic, creativity, environmental awarenessA beautiful alternative to plastic block constructionPrecisely designed, fit together just as well as original interlocking block setsFully compatible with major interlocking block brandsSmooth blank wooden surfaces are perfect for personalizing with paint, markers, pens, or any other type of media Includes 10 - 4 Dot Wooden Covers, 200 - 8 Dot Wooden Blocks, 20 - 8 Dot Wooden Covers, 14 - 16 Dot Wooden Bases, 6 - 16 Dot Axel with Wheels - Packaged in a sturdy wooden box 10 Color Pencils Included. High quality design for lasting durabilityNote: Eco-bricks are made of wood. If placed in water or very high moisture is present in the air, bricks can loose or alter their function. Do not get them wet. Keep away from water. WARNING! CHOKING HAZARD - Small parts. Not intended for children under 3 years. Patent Pending.