These blocks are a fantastic tool to introduce your kids to engineering and architectural concepts, such as spatial thinking, weight distribution, and balance. Blocks are easy to handle and the foam material is very forgiving on your kid and your floor, should the structure fall down. Inspire many hours of hands-on imaginative play with these building bricks. Made from high quality, durable EVA foam. Toxin-free and perfectly safe for playtime! Blocks measure 32 cm H x 20 cm W x 38 cm L.