Press Space as quickly as you can when Scratch Cat says GO! Here is the Space version (that will tell you the the amount of kilometres the International Space Station (ISS) travels in that time) https://scratch.mit.edu/projects/1106410379/ Remix and make your own version! Post your reaction time in the comments. Enjoy!
Quickest reaction time: @littlefroggy29 : 0.029 seconds
