Use this hands-on activity for kids in the classroom, at day cares or for home use. This Super Magnet Lab Kit helps students explore creativity and experimentation with magnets. Includes 100 magnetic chips, 10 magnetic marbles, 7 magnetic wands, 2 bar magnets, 2 ring magnets, 2 mini horseshoe magnets, 1 large horseshoe magnet, an activity guide and a storage box. Metal and plastic. (124 pcs. per unit) 1" - 7 1/2"