Valentine's Day Gift Set Light-up LED Blinking Heart Bendable Sticks Set of 3 Heart Sticks Set of 3 LED Bendable Heart Sticks. Heart lights up and flashes in colored LED lights. Remove the inserted paper, and then press the button to be able to start the light. LED light flashes in 3 different patterns. Press the button to switch pattern. Stick measures: 9 inches high. Comes in the colors of pink, blue, green and red.