Learning Resources STEM Explorers: Magnet Movers. Attract early physics skills through fun magnet experiments with the STEM Explorers Magnet Movers. Answer big questions about magnetism using time-tested accessories and some seriously fun experiments that range from learning basic concepts to thematic hands-on challenges to full-on game play. Includes magnetic wand, magnetic post, 2 magnetic rings, bar magnet, 2 magnetic balls, horseshoe magnet, string, 30 colour chips and an activity guide. Suitable for ages 5+.