8 years & up. This Magic Penny kit will teach kids about math and science while still having fun! Balance coins on the rim of a teacup, or even make a penny spin a thousand times in one minute! This set teaches children the concepts of geometry, engineering, technology and physics. Includes 2 strong magnets, 32 newly-minted British pennies, a US penny and an activity book. Magnets are encased in stainless steel. Helps with STEM skill development in math and science, early logic development, collaboration, fine motor skills and patience. Activity book includes 44 activities, penny history and facts about magnets. Other magnetic steel or nickel coins from other countries may work with this set.