sciencematerial: This set contains the essential materials used in construction of a simple electric circuit with a small electric motor, a switch and a battery. This kit is also used to make an air propelled motor boat known as Car-Boat or Carboat.
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sciencematerial: This set contains the essential materials used in construction of a simple electric circuit with a small electric motor, a switch and a battery. This kit is also used to make an air propelled motor boat known as Car-Boat or Carboat.
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