Howitzers are a type of artillery first employed in World War 1. In this video you will learn how to make a toy howitzer out of Legos. It's easy to assemble, and it fires rubber bands!
Assorted Lego pieces
1. Put two bars on the black plate, then put 4 2 x 1 bricks on the corners of the plate. Add 2 beams on top of the 2 x 1 pieces.
2. Build the four short pins into the beams. Insert the long axle into the slot between the beams, adding L beams on either end. Put plates on top.
3. Double up the rubber bands, put them on both sides and put small beams on the top pins.
4. Fire away!