When you decide to use this, make sure that you place it on some sort of container because the melted ice cubes will drip down. The cans do occasionally stop spinning. When this happens, just press a thumb nail down onto the can.
Step 1: Parts
80 small grey
70 small black/green
1 large grey
6 one inch diameter wheels with rubber outline
8 grey spacers
2 of those black things
2 of those brownish mustardish things
1 of those blue things that looks like a brownish mustardish thing but with out the little point sticking out
1 knex motor
2 AA batteries for the motor
I may have counted out too many small grey rods and not enough small black rods, but it shouldn't be off by too many.