Bozkurt explains a little more about the inspiration and construction of his Arduino star pointer and tracker.

You'll need an Arduino, of course, and you'll also need a pair of laser pointers, a few servos and motors to make the lasers move as time passes, and of course, the IKEA BLANDA salad bowl ...

When the game is started, the LEDs light up at random and the player has a limited time to “shoot” the corresponding LDR with a laser pointer.