Lasers and mirrors, need we say more? Use the challenge cards to set up the board, then determine where to add the extra tokens so when you flick the switch and set off the laser, the beam bounces off all the mirrors and hits the target. Science at its best! With 60 challenges ranging from beginner to expert, this logic puzzle is sure to keep anyone busy for hours! For one player AGED 8 TO ADULT. CAUTION: Do not stare into the beam.