Spark creativity and stimulate a love of creation with this imaginative set of blocks. Make an ancient castle or cosmopolitan city the possibilities are endless. We love the hollowed out structure of the blocks, which opens the doors for all sorts of possibilities without limiting playability. Made of solid wood and sanded smooth to remove rough edges and sharp corners. 15 blocks total, in an assortment of shapes and sizes. Made of earth friendly and replenishable rubber wood by our friends at Plan Toys. Plan Toys has been making quality baby and children's toys from their ISO 9001, ISO 14001, OHSAS 18001 amp SA 8000 Certified offices in Thailand since 1981. We appreciate Plan Toys' commitment to a quality products, a safe and fair work environment and eco friendly materials and practices. Average block L 2.0 x W 4.0 x D 1.5 in. Ages 3 Years