Materials Used

Catapult Structure

Two 3 ft. long pieces of wood for the base

Two 1 ft. long pieces of wood for the base.

Two 2 ft. long pieces of wood for the sides.

Two 28 in. long pieces of wood for the side braces.

1 1/2 ft. long flat board

Metal Rod for the bar

One 40 in. long piece of wood for the throwing arm

Counterweights

Two twenty pound weights

One two pound weight

Small metal rod to place the weights on

Zip ties to hold weights together

Trigger and Sling

Four eye hooks

One regular hook

One Nail

Net mesh (first sling)

Face mask (second sling)

One 24 in. piece of string

One 28 in. piece of string

One 5 ft. long piece of string