Liquid Activated Light-Up Flashing LED Drinking Cups Tumblers - Holds 7 Ounces, Batteries Included - Fancy Plastic Clear Crystal (24) Handle Color Black/Yellow

Handle Color Black/Yellow

adjustable light-sensitivity suits almost any light condition and allows to control it's 'bug-like' behavior

surface tension

Web-based browser remote control interface

Four of Parallax's most popular sensors are brought together in this sample pack

Liquid Activated Light-Up Flashing LED Drinking Cups Tumblers - Holds 7 Ounces, Batteries Included - Fancy Plastic Clear Crystal (24) Handle Color Black/YellowLiquid Activated! Just add liquid to activate the flashing LEDs. The lights turn off when the cups are empty. When activated, the LEDs flicker, change color, and glow in a beautiful alternating sequence Great for parties, bars, nightclubs or discos! These cups are certain to impress and entertain! Made of durable acrylic plastic in a classy, old fashioned crystal design Batteries are included and replaceable Two CR2025 lithium batteries are pre