Attract early learners to the wonders of magnetism with this Magnets Activity Set. 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. Set includes two bar magnets, two magnetic bugs, four ring magnets, horseshoe magnet, magnetic post, two 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 8-1/2 "x 11" x 1/2".