Pay Attention!!!!!!!!: The protective film of bottle must be removed before playing! if not, the gun can not work! Want something new for your kid’s summer party? Then we have a product just for you! Bubble Guns have always been a crowd favorite at parties. With exchanges of bubble hurls and heartfelt laughs, your kid’s social development might just positively change. Improve your kid’s interpersonal skills by giving this light up bubble gun to play with this summer time! Whether it’s a birthday, school events, Christmas, or any other kinds of parties, these bubble guns are great party favors and carnival prizes for all of your occasions. You will find these LED-functioned ones as perfect even for kids! NOTE!!!: If one of the product doesn't work, the problem is that the product in transit cause the tube in the front is kinked or compressed. This is rarely happens. They're easy to fix. Never mind, We have slove the problem, You will receive the perfect products! And we also offer 1-year free replacement GUARANTEE!! You can contact us and replace a new one! How To Fix: All you need is a screwdriver. It tooks less than 5 mins to fix ones. To fix it, use a small screwdriver (a glasses screwdriver works great) to remove the five screws that hold together the two big pieces of plastic casing. Then just pop off the front tube (the one that goes from the nozzle of the gun to the yellow part in the bubble solution). Straighten it out and put it back in place so it won't be compressed by those two big plastic pieces. You can test it before you put the gun back together. Screw the five screws back in, and you're good to go.