Wave the wand over any object to find out what it attracts. Then experiment, count and sort with magnet marbles. They look like ordinary marbles, but they're magnets too. Build pyramids and other fun shapes, play marble games and more. Mini set includes wand (assorted colors- no color choice) and 5 bicolor magnet marbles to get you started. Wand measures 7.63" L. Ages 4+/Grades PreK+.