LED Flash Crystal Cups

Liquid Activated Flash Crystal Cups — Light Up Every Drink ✨ Add Instant Magic to Every Pour These Liquid Activated Flash Crystal Cups turn every drink into a glowing spectacle! Once liquid touches the bottom sensor, the LED lights instantly illuminate in vibrant colors. When the cup is empty, the lights automatically turn off. No buttons, no switches—just pure party magic.     ✔ Water-Activated LED Technology Simply pour your drink and watch the cup light up automatically. Remove the liquid, and it shuts off by itself. Perfect for bar setups, parties, events, and nighttime celebrations.     ✔ Available in 2, 4, or 6 Pack Sets Choose the perfect set for your event! Whether it’s an intimate gathering or a full party, these LED tumblers bring instant excitement to the table. Great for enhancing your barware collection and creating a festive display.     ✔ Perfect for Bar Parties & Celebrations Designed for parties, birthdays, night events, club nights, weddings, and holiday gatherings. These glowing cups instantly elevate the atmosphere, making every drink more fun and memorable.     Specifications Material Crystal-style LED drinkware Activation Water-activated, auto on/off LED Colors Multicolor flashing lights Pack Options 2 / 4 / 6 Pack Occasions Bar parties, events, birthdays, celebrations FAQ 1. How do the cups turn on? They activate automatically when liquid is added—no switches needed. 2. Are the lights safe for drinks? Yes. The LED component is sealed and does not contact the beverage. 3. Do the cups require batteries? Yes, built-in batteries are included and pre-installed. 4. Are these cups reusable? Absolutely. They are durable and designed for repeated event use. 5. What drinks can I use? Any liquid—water, juice, soda, cocktails—will activate the LED light.