LED cup activated by liquid - Idea4fun

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Taidacent Wireless Led Uplights and Coil Inductive PCB Charger Pad Wireless LEDs Lights Lamp Magnetic Levitating Floating Charging Station Type C 5V (Inductive PCB with 10PCS Mixed 4.3mm LEDs) : Tools

LED cup activated by liquid - Idea4fun

Play4fun Dedykowane Gadżety Reklamowe

💥 AUTOMATIC ON OFF - Just add liquid to activate the flashing multicolored LEDs in the base of the cup. The lights turn off when the cups are empty.

Liquid Activated Multicolor LED Glasses ~ Fun Light Up Drinking Tumblers - 6 oz. - Set of 4

LED cup activated by liquid

Liquid Activated Multicolor LED Glasses ~ Fun Light

LED cup activated by liquid - Idea4fun

LED drinking timer - A glowing pad / coaster reminding to drink water

Light-up Tumbler with Straw