Return of the Incredible Machine - Contraptions

Random puzzles:
---------------
Submitted by: RM

Successfully complete all puzzles in Tutorial, Easy, Medium,
Advanced, and Expert difficulty to make the contraptions random
in Play mode. Complete all 50 Versus mode puzzles to make the
contraptions random in Versus mode.

Hints:
------
Use the hand icon for help, but hide the hints to get
them out of the way when setting up contraptions.

Click the Start button to see how the contraption plays
out during the building process.

After completing a contraption, check out the game's
"correct" way to solve the puzzle for help on future puzzles.