Algodoo

Step 1:open the barrel and load in the powder(black balls),pack it in
Step 2:load a ball in (grey balls),pack it in
Step 3:take the rectangle on the floor,this is used to keep the ball and powder in place
Step 4:load the square in the barrel all the way back,then use the rectangle on the floor
Step 5:take the rectangle out while keeping the square in place,step 5:let go of the square,step 6:open the back of the gun and use the ramrod to get rid of the powder(pretend the powder is now residue),step 7:repeat