Click a yellow button to add a new part. Click on a component to change it. Place gears close together (but not too close) to make them engage. Play with the ratios to change the speed. Use a gear with a spindle to add gears together or to put a cam on a gear. Now added pistons. You will need a Crank, a Connecting Rod and a Piston Head, all can be found in the Gears Section.
Create random machines using the various parts. See how silly you can make the machines. See what you can learn from them. Try loading this one: -12,28.75,-17.45,0:-13,98,22,0,180:-11,96.7,145.7,0:-1,-33,-137.8,-1:-9,-84,13,10:9,31,-93,0,126.3367:4,-33,-137.8,0,56:5,31,-93,0,126.3367:-8,103.75,-94.65,0:-8,-34,-55,0: Or This one: -1,0,0,1:4,0,0,0,-5:5,77,13,0,161.50:4,77,13,0,-125.167:5,155,10,0,-89.583:11,21.8771,84.26492,0,-120.1667:15,77,13,0,4294.6667:12,155,10,0,72.8889:14,155,87.09082,0:13,146.7616,36.7607,0,99.296:11,-63.08402778,-61,0:-8,-181,-45,0:1,-130,-34,0,152.333: Inspired by Heath Robinson.
