You will need 2 or more of each shape, sphere, cylinders, cube, and cone. Try to stack the shapes. Can you stack a sphere on a sphere? Can a sphere slide? Can a sphere roll? 1. Tap the add button. 2. Circle yes or no to answer each question. 3. Take a photo or get a buddy to help. 4. Record to tell what you found out. Now do the same with the other shapes. 5.