this one of the gratest inventions ever made this is a newest design stirling engine
Step 1: First Step
cut the can into two pieces
Step 2: Second Step
join the elbow with the can and make sure it lies in the center slightly above
Step 3: Third Step
make the piston from the aluminium foil and make hook and connect copper wire to it
Step 4: Fourth Step
now pirce hole from the can and insert the wire make needed and attatch a ballon on elboew
Step 5: Last!!!!!!!
make everything like shown in picture and go!!!!!!!