Giant Tumbling Blocks - ProWith these giant wooden tumbling blocks, players try to build the towers as tall as possible without knocking it over! Every turn a player carefully takes a block from the bottom and gently places it on the top of the tower, building it as tall as possible up to 5' tall! One wrong move could bring it all tumbling down! Each block is made of high quality hard wood and sanded down smooth for fun, safe gameplay. The bag is made of high quality materials