b/o bubble gun: 1. Open battery slot and put in 3 AA battery (not including). 2. Open the bottle cap, rive off the silver paper. 3. Install the bubble water bottle to the bubble gun and scrw it firmly. 4. Pull the trigger, and then colorful bubbles will be shot out along with light. 5. Fill the bottle with clean water, and pull the trigger to wash the bubble gun after use. 6. Product specification: 15.00*4.00*17.00CM QTY: 72pcs / ctn Carton size: 68*38*72CM MEAS: 0.186CBM GW/NW:21/19KG Note: 1. Not suitable for children under 3 years. 2. Do not mix new and old batteries. 3. The water can not be eaten.