Young builders can create 11 different models or build whatever their imagination desires;Set includes 84 durable lightweght plastic pieces;Building instructions include model ideas for all skill levels;Colorful USA-made pieces snap together and stay together for long-lasting play;Recommended for ages 3+ 84 durable, lightweight, plastic pieces Colorful pieces snap together and stay together for long-lasting play All Tinkertoy parts and pieces are made in the U.S.A Instructions sheet included for guided play Inspires imagination, play and learning; recommended for young builders ages 3 and up