Dowling Magnets Magic Penny Magnet Kit Perform astounding feats of magnetism as you playfully explore magnetic forces, motion and stability. Includes 2 super strong magnets encased in stainless steel for added safety, 32 newly minted British Pennies and a US Penny. Magic Penny Kit also comes with an activity book packed with magnet fact, penny history, and 44 fun activities. Great for introducing and discussing geometry, focusing on shapes, positions, planes, symmetry and more. Recommended for Ages 8 and up. Grades 3 and up.