An 11 piece rainbow colored block set with a 12 pattern card deck. Heirloom quality. This multifaceted didactic system includes an 11 pc. set of circular blocks and a full deck of Play-11™ Cards (vol. A). Six transparent, non-toxic colors reveal the beautiful wood grain. Sold in clamshell packaging with pattern cards in a clear sleeve. Multilingual text – English, French, Italian, German and Spanish. Tieramids are for ages 3 to adult. Multiple award winning!