Invented in China, the tangram is a 7-piece square puzzle that has challenged learners of all ages for over one thousand years. Perfect for small group or individual classroom instruction, this Smart Pack supports Standards for Mathematical Practice according to CCSS. Set of 42 (6 sets of 7-piece tangrams) comes in a resealable polybag and includes an Activity Guide.

Bag measures 6" W x 9" H.