... or other surfaces using a strong magnet. 2)can make with Environmental Materials. Flashing badge , flashing pin , flashing magnetic pin1. ... customer's requirements.3. It blinks clockwise or anticlosekwise with single or rainbow colors just screw up the back turnbuckle2 ... . Various lights color available: Red, Blue, Jade. Green, Pink, White,Multicolor3. Batteries 1 piece CR927 and ...