A 22 pc brilliantly colored set of building blocks with a 52 pattern card deck. This all-in-one multifaceted didactic system includes a 22 pc. set of circular blocks and a full deck of Tieramid Pattern Cards™ (vol. 1). Sold in a hide-away handle box for easy portability. Non-toxic. Multilingual text – English, French, Italian, German and Spanish. Tieramids are for ages 3 to adult.