SOLVE the secrets of the shapes! STEM shape puzzles build crucial thinking and problem solving skills! TRAIN your brain with difficult sorting and geometry challenges! 10 STEM CHALLENGES included! GIVE THE GIFT OF LEARNING: Whether or not you’re purchasing for holidays, birthdays, or simply because, toys from Learning Resources permit you to discover new learning a laugh each and every time you give a present! Ideal gift for Halloween, Christmas, Stocking Stuffers, Easter Baskets Stuffers and even for Homeschool.