MiyoToy Gel blaster uses 7-8 mm frangible gel ball which made of environmentally friendly material. This is absolutely safe for your kids with protective goggles, It is recommended to use the gel blaster with age over 12. MiyoToy gel blaster is Perfect for family gathering games, enjoy the exciting gel ball blasting target competition game (equipped with variable color target X2), bringing an unprecedented experience for everyone. The gel blaster is equipped with 11 accessories (See pictures for more details). MiyoToy gel blaster has included 10000+ rounds. Unlimited Gel balls and accessories will bring you infinite happiness. Gel ball blaster uses 7.4V lithium rechargeable battery, Different types of batteries cannot be mixed. The exhausted battery or if it is not used for a long time, please take out the battery from the model. !!!