Our Anti-Gravity Maglev Science Learning Set is great for families, classrooms, or homeschooling activities. It helps children learn, grow, and gain confidence through building models they could show off to friends and families.7 Experiments Explore the gravity-defying ability of magnetic force with 7 amazing experiments: Anti-Gravity Sculpture Floating Spinner Magnetic Compass Magnetic Weight Scale Magnetic Spring Random Propelling Saucer Maglev Personal Transporter Experiments illustrated on large, easy-to-follow cards. 7 ring magnets, baseplate, support arm, enclosure, weighing pan, divider, 3 different rods, saucer. Base 6.8” x 5.25” x 0.75” / 17.3 x 13.3 x 1.9cm. Improve visual tracking, practice fine motor dexterity and coordination by dropping the balls in and stopping them along the tracks. Understand cause & effect and observe gravity in motion.