Science & Exploration Sets features: The beads rolling game is a classic game toy with adorable design that can attract childrens attention. Select high-quality material, polished edges and corners, no burrs, no hand injury, rest assured to use. It is fun and interesting, with average difficulty, and can achieve a certain decompression effect. Features Material:ABS Plastic This balance toy is made of high-quality material, which is durable enough for your kids to use over and over again This balanced beads toy for little boy and girls need to improve motor skills will keep them focused while you are dealing with other chores. Can help exercise your kid's patience and the intelligence, a set of very practical kids toys Improving their brainpower, hands and eyes agility in all aspects of sensory sensitivity and coordination It is fun and interesting, with average difficulty, and can achieve a decompression effect.