Light up Nerf Pro Gelfire battles with the Nerf Pro Gelfire rounds! They glow in the dark when charged in the Nerf Pro Gelfire Nightfall Hopper (sold separately, subject to availability). Stock up with this refill pack that includes 10,000 Nerf Pro Gelfire dehydrated rounds, a massive amount to overwhelm opponents in competitive outdoor games. Add water to grow the rounds to prepare them for use. When fired from Nerf Pro Gelfire blasters, the hydrated soft super absorbent polymer projectiles burst on impact. No need to pick up rounds! This refill gives you additional rounds to refill the hopper and keep you in the game. It's a great gift for teens to stock up for Nerf Pro Gelfire battles! Eyewear required (not included). Blasters each sold separately, subject to availability. Outdoor use recommended. For Ages 14 and up.