Eco-bricks‚Ñ¢ 250 Piece Natural Wooden Set: COMPATIBLE BLOCKS you can COLOR ON! Includes color pencils. 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‚Ñ¢ 250-Piece set is a brilliant alternative to plastic block construction.Benefits: Natural and biodegradable FSC Certified Wood Construction Blocks These interlocking blocks aren't just fun - they are friendly to the planet, too! Features: Compatible with plastic blocks Encourages fine motor skills and environmental awareness Assorted styles of natural blocks for endless design configuration Natural blocks can be personalized with additional medias such as colored pencils, markers, crayons, and paint High-quality design for lasting durability Recommended Age 4 Includes: 8 - 4 Dot Wooden Block Covers 40 - 4 Dot Wooden Blocks 172 - 8 Dot Wooden Blocks 10 - 8 Dot Wooden Covers 14 - 16 Dot Wooden Bases 6 - 16 Dot Axel with Wheels 10 Colored Pencils Packaged in a laser engraved wooden storage box Note: Eco-bricks‚Ñ¢ are made of wood. If placed in water or very high moisture is present in the air, bricks can lose 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. Our mission at Once-Kids is to make toys that kids make their own while helping save our world's oceans.