About this item Exercise Thinking AbilityThrough this Hand Crank Generator Set children can exercise their own hands thinking exploring and creating abilities Build a toy that lights up the LED by hand and the drive motor to learn the principle of conversion between energies. Develop Fine Motor SkillUse our Kids Generator can develop dexterous fine motor skills through hands-on matching and unlocking games. Long-lasting SturdyOur Building Toy Set is made of sturdy wood and electronic components which helps make the professional chemistry experiments kit more durable. And is long-lasting. Enhance Parent-Child RelationshipParents and children participate in the growth of our Kids Generator Kit together as a way of enhancing the parent-child relationship. Great GiftThis Hand Generator Toy gives children an insight into the science behind the experiments and stimulates their interest in learning. Whether its a birthday Christmas or holiday its the perfect gift for little scientists.