The Learning Resources Tumble Trax Magnetic Marble Run invites young engineers to explore physics through creative play. This innovative STEM toy features a versatile collection of magnetic foam pieces in long, short, and curved designs that adhere effortlessly to any magnetic surface, enabling endless track combinations for varying levels of challenge and learning. Children naturally develop critical thinking skills as they reposition the colorful tracks to guide marbles successfully from start to finish, experimenting with angles, momentum, and gravity along the way. The included activity cards provide structured challenges that progressively build engineering confidence while encouraging independent problem-solving and design innovation. Each complete set includes 14 durable foam track pieces, a goal basket, four marbles, and 10 illustrated challenge cards, creating a comprehensive learning experience for children ages 5 and up. As part of Learning Resources' acclaimed educational collection, Tumble Trax exemplifies how quality science learning tools stimulate discovery, building, and exploration without sacrificing the joy of play. Parents and educators appreciate how this magnetic marble run makes teaching fundamental STEM concepts intuitive and engaging, allowing curious minds to explore the world around them through hands-on experimentation. For ages 5+