UK SELLER | Fast Free Post | New&Boxed | Rechargeable | Brand New Storage Tank Product Name: Gel Storage Tank & Gel Balls Material: Crystal Choose your own color gel balls - Drop us an email or message us with your name Use: For your blasters, the best outdoor game option, entertaining, Fun and Safe, Ammo filler Tank & 2 packs of ammo packs USAGE The gel ball should be taken out of the bag and placed in a large bucket of water. Wait until the gel balls have grown to their full size after letting them soak in the water for three to four hours. You can fill up the magazine and begin playing once the gel balls have grown to their full size (7-8mm). There must be no water inside the magazine itself. So, before you begin to fill your magazine, be sure to first drain the water from the bucket. 1 pack = 10,000 You'll get 2 packs totalling 20,000 gel balls. ECO-FRIENDLY Gel Blasters use water-based gel ball as ammunition. These gel ball will burst on impact and then dissolve by themselves. Good for the environment and easy for you, since you don't have to clean up anything yourself! This gives you even more time to play.