The Power Bracer is an interactive costume piece, connecting an arm bracer to a lantern (or three) wirelessly, and allowing the user to control the lanterns with hand motions. The bracer unit contains a microcontroller (Adafruit Trinket or Trinket Pro), accelerometer, wireless transmitter and battery power. The lantern contains another microcontroller, wireless receiver and LEDs. The user wearing the bracer will use wrist motions to turn the lantern on, change colors and/or brightness and turn it off.