Attract early learners to the wonders of magnetism! STEM lessons are irresistible when you add the excitement of fun, colorful tools to scientific exploration. Durable, playful magnets in a variety of shapes engage children as they explore magnetism, polarity, and magnetic attraction & repulsion. Includes 2 bar magnets, 2 magnetic bugs, 4 ring magnets, horseshoe magnet, magnetic post, 2 snap-on cars, tray with maze, string, and 10 double-sided Activity Cards. Comprehensive Activity Guide with reproducible materials is also included. Largest piece (maze tray) measures 11"L x 8½"H x ½"W.