Teaching Institutions Solar Dog Electric Robot Children DIY Assembly Color:Yellow size Length of clothes (CM)

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Teaching Institutions Solar Dog Electric Robot Children DIY Assembly Color:Yellow size Length of clothes (CM)Overview: 1. Interesting assembly to stimulate interest Improve baby's hands on ability and learn to understand roller mechanics Transmission and connecting rod transmission principle. 2. Built in 3. 3 million uF super capacitor Power storage drive Two driving modes, solar and dry battery It can be operated day and night, and the experience is more convenient! Let children understand the conversion and storage of electrical energy. *Super capacitor is