Click on the red button with the characters on it to change characters. Click on the orange button with the ball on it to change balls. Click on the yellow button with the ship on it to change the ships. Click on the green button with the ufo on it to change the ufos. Click on the sky blue button with the backgrounds on it to change backgrounds. Click on the dark blue button with the arrow to change waves. Click on the purple button with the robot to change robots.
