Algodoo

You can use this if you give me credit.
Notes:
-Once a marble gets hit by a laser,they lose all of their collision layers.
-Reflections of lasers can also kill marbles.
-While I have never had a case of glitiches from the bottom 2 bouncy pads (Which are 100 in restitution) i'm not totally sure if its impossible.This is probablt not going to happen,but just in case.
-Start by pressing enter.