Please choose the correct ending to complete the given sentence: Youth: [header] How to make a wooden gun [title] Set up your workstation. [step] To build this toy gun, you will need a wooden 2x4 length of board, a saw, black tape, sandpaper, a drill and screws. [title] Saw the board into two pieces.

Ending1: [step] Use the saw with a pin making a straight line, take the pieces down 1 ". Remove the screws that hold it and sand the board. Ending2: [step] One will be for the trigger and the other for the bullets you will use. The board should be approximately about 6-12 inches (15. Ending3: [step] Start with a 2x4 piece of wood about 60 centimeter (23.6 in) long. Cut the board into two pieces, one 40 centimeter (15. Ending4: [step] Use a rotary saw to cut a 1x11 inch piece from another 2x11 inch board. [substeps] Alternatively, you can trace the letter " x " with a piece of plywood and cut it out with a rotary saw.

Answer format: ending1/ending2/ending3/ending4