It feels like magic, but you will need science and brain power to direct the beam through these maze challenges! First, select a challenge card and place the tokens on the grid as indicated. Determine where to add the extra tokens so the beam will hit the target. Then, activate the laser, if you light up the target – you win! Includes: 60 Challenge Cards and Solutions (4 levels of play, Beginner through Expert) Instructions Game Tokens (1 Laser, 5 Target/Mirrors, 2 Beam Splitters, 1 Double-Mirror, 1 Checkpoint, 1 Cell Blocker) 1 Game Grid Batteries Included. Age: 8-99 years Players: 1 or more. Laser device complies with 21 CFR part 1040.10 and 1040.11 and IEC/EN 60825-1:2007. *Price reference sourced from Entropy on 09/07/2016