- 1). Cut a piece of masking tape to measure 5 inches long.
- 2). Cut one piece of masking tape to measure 3 inches long.
- 3). Press the sticky side of the short piece of tape to the sticky side of the long piece, centered, leaving 1 inch at each end of the long piece.
- 4). Press the sticky ends of the long piece of tape to the top of a doorway. This will create a pulley for the crane.
- 5). Measure the distance from the top of the doorway to the floor. Double that and subtract 24 inches. Cut the string to this measurement.
- 6). Insert one end of the string through the middle channel of the pulley, bringing the string down to meet the other end.
- 7). Attach the two small magnets to one end of the string by pressing the magnets together.
- 8). Spread the small metal objects on the floor under the string.
- 9). Use the empty end of the string to manipulate the magnetized end of the tower crane, picking up the objects and transporting them to the shoebox.
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