Guess how many bottles you can flip onto moving skateboards...
Check out how many bottles you flip on a running elevator.
Exercise the flipping with one or two bottles in parallel.
You can measure your flips for the best results...
Guess how many bottles you can flip onto moving skateboards...
Check out how many bottles you flip on a running elevator.
Exercise the flipping with one or two bottles in parallel.
You can measure your flips for the best results...