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years and symbols
5"X7" Clear Stamp
Cut balsa wood
12" cutting mat
Balancing Car Robot C-31A Standard STEM Toy Kit Slim years and symbolsThis balance car is a derivative version of the tumbler. Its principle is similar to the tumbler, except that the two wheel balance car can walk. The balance car takes the axle as the center line. There is a motor and a battery under the axle. There is only a T frame above the axle. The weight below is significantly heavier than the upper. The heavier side will always be facing downward.
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