This item is a 2Pcs/Lot The Light Wave Lighting Thumb Lamp Magic Toys Free Size Magic Finger Thumb Tricks for Children and Adults-Color Random. Magically light up the dark with your fingers! Powerful bright LED emitter. Turns on and off， at your full control. Good magical tricks prop to amaze others. Fantasy effect that you can make out!Type: Flashing ThumbAge Range: 8-11 Years，12-15 Years，GrownupsPower Supply:2 x cell button (included)Size: Free