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Convert any battery operated toy or appliance using a C or D battery into a switch activated device.
Convert any battery-operated toy or appliance into a switch-activated device for leisure and functional activities at home or in the classroom! Flexible and easy to use. Just place the copper disc between the battery contact and a battery in the device, connect a switch and your students are ready for action. How-to guide included. Add a Notching File to your order to increase the life of your Battery Device Adapter by creating access for the cord.