4M Anti Gravity Magnetic Levitation Science Kit This science kit teaches kids about magnetic force through several fun, hands-on experiments. Experiments include floating a pencil, levitating a screw, building a maglev, and more. The kit contains all materials necessary for performing the experiments found in the box. Detailed instructions for use and care are included. Recommended for ages 8 years and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun.