"Learning & Developmental Activity & Educational Preschool Toy - Shadow Stacking Game Stacking blocks are a must to have at home. The play possibilities are endless with no rules or guidelines. With these blocks kids can learn about shapes, colour sizes and balance. This set comes with an instruction booklet which will give ideas how to get the shadow of your masterpiece. Age Recommendation: 3 Years + Content: Stacking Blocks x 12, Stacking Tower Frame x 1, Shadow Stacking Game booklet x 1"