- 1). Empty two plastic tennis ball containers and put two balls aside for your LED lamps. The function of the green tennis balls are to turn your lamps on and off.
- 2). Make your LED lights a few centimeters larger in diameter by wrapping black electrical tape around them until the lights no longer fall into your plastic tennis ball containers. After you finish wrapping the LED lights with black electrical tape, they should fit snugly into the container lids. Set the lights aside.
- 3). Drop one tennis ball into the bottom of each tennis ball container.
- 4). Insert the LED lights into the lids of the tennis ball containers. Make sure that the lights are secure.
- 5). Place the lids on the plastic containers and firmly secure them.
- 6). Shake the cans up and down to turn them on. Repeat to turn them off.
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