Press an ABC key to change the shape.Every one does a different shape. First 13 letters are Square based and other 13 triangle based. Up an down arrows change the color effect and right arrow changes color to original.Space bar clears it. _______________________________________________________ ABC keys = different shape Up arrow = increase color effect by 10 Down arrow = decrease color effect by 10 Right Arrow = Forever decrease color effect by 10 Left Arrow = Forever increase color effect by 10 Space bar = Clear