Rainbow Worm is a simple logic-arcade game based on colors mixing according to a triangle of colors. Game mechanics teaches the basics of colors creating, trains perceptiveness and logical thinking. Rainbow Worm is a great entertainment for children and adults, combining fun with education. More on: https://www.rainbowworm.com/ APPSTORE: https://itunes.apple.com/us/app/rainbow-worm-lite/id1446719893?mt=8 I'm waiting for your opinion. Michael