Use only clean tap water to hydrate rounds. Do not freeze or modify rounds. Do not modify blaster. Impact from rounds may cause temporary marks on skin. Ages 14 and up. Rounds may stain. Do not eat. Keep away from pets. TO AVOID EYE INJURY: WARNING: Do not aim at eyes or face. Use of eyewear always required for players and people within range. Use only official NERF GelFire Rounds.