Algodoo

I didn't know how metronomes worked until now =]

cool! its very interesting to see how they both compare.
I think you could greatly improve the distance of the weight catapult by converting it to a trebuchet.

thank you! no, the mechanics were visible on the outside. the large wheel powering the arms and legs was on the front, and the smaller one moving the head was on the back.

it balances on its own.

Making Money by Terry Pratchett, right?

its very interesting (referring to your scene)

i know this is probably really amazing, but to me it just looks like it moves the boxes around...