• Cubes and Stunts are made from phthalate-free and BPA-free ABS plastic.
• Strengthens STEM thinking and builds key logic skills
• Use the steel marbles to test Q-BA-MAZE configurations
• Added bonus: 20 premium steel marbles in a ripstop nylon drawstring bag
• Marbles are nickel plated steel balls. They are not magnets. Download Instructions
Age Recommendation: Ages 6 and up