Use the flashlight on your smartphone to play the Color Mixing Game by Kikkerkand! Guess how to make the color on the card using your phone's flashlight and the color filters. This compact game includes 6 blue sheets, 6 yellow sheets, and 6 red sheets, a filter ring, and 12 different color challenge cards, a color wheel card, and a cheat sheet. Great for rainy days, entertaining kids during road trips or challenging friends at parties. All you need is your smartphone! This activity set comes packaged inside a color shelf box.