Flexi Puzzle is the spatial challenge of creativity! Twist and bend the Flexi blocks into countless shapes in this 3D puzzle. Flexi puzzle will challenge you and your childrens minds.Flexi Puzzle comes with 80 challenges with 4 levels of difficulty. Use the included challenge book to progress your problem solving and spatial skills for hours of fun.Flexi Puzzle is recommended for 1 or more players, ages 8 and up.