LED circuit board with 3 batteries for light-up bottles at festival food stalls. Unused. Size: Width 2.4cm, Length 2.4cm Weight: 5g Light colors: Red, Blue, Green - 3-color rainbow 3 patterns: rapid flashing, slow flashing, etc. Quantity can be customized if you send a message, but please order 10 or more. Up to 100 pieces available. Discounts available depending on quantity. Can be used with baby bottles, pineapple bottles, light bulb bottles, strawberry bottles, etc., if the size is suitable. We will send items that have been tested and confirmed to work, but we will include spares in case of damage during shipping. No claims or returns accepted. Shipped via Yu-packet. Night market Light-up toys