This is a timer designed for sport stacking(cup stacking) and speed cubing(Rubik's cube). Instructions are below. Leave a love if you like the project. Add it to your favorites if it is one of the best projects you have ever seen :D Steps to an awesome FREE timer. Step 1: Scramble Rubik's cube/prepare cups. Step 2: Place hands on space bar and numpad 0 to begin. Step 3: When finished, place hands back on space and numpad 0 to save time into list. Note: Numlock needs to be on.