4×4 sliding puzzle
How to play:
1. turn green switch on (it will activate the puzzle).
2. turn on red switch to scramble the puzzle
3. turn off red switch when you think its scrambled enough (30 seconds should be good enough)
4. use white buttons to slide the numbers
5. try and get the numbers to be the same as it started.
Optional:
turn off green switch to reset the puzzle.
or
just keep red switch on to see it just scramble itself (maybe it will solve itself).
