Nth-Light DIY Thin Lights for Fashion/Costume / Props Arduino Compatible 50% refund if you post a review on Amazon for this product Parts range in size from 11" long down to 8 inches long Able to drive at 3 Volts DC (Two AA batteries), or use arduino based boards Some assembly required with this kit. Connect to lights by soldering or use crimp on terminals. Exciting new DIY lighting technology created by embedding micro-LEDs into paper thin film