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. Wand measures 7.63" L. For ages 4+ years and Grades PreK+. Each mini set includes wand (assorted colors, no color choice) and 5 bicolor magnet marbles to get you started. Sold as a pack of 6 sets.