This dart firing blaster takes its inspiration from the roblox game mm2this nerf roblox blaster includes a code that allows you to redeem an exclusive virtual item on roblox.the blaster features a shark fin that you move to prime the blaster for firing. Pull the fin back and push it forward to prime; then press the trigger to fire a dart.includes 3 big official nerf mega darts that are made of foam. This is great for indoor and outdoor play.