Maybe youve already got the Nerf Modulus blaster (sold separately). But do you have what it takes for undercover operations; Upgrade your blaster for covert operations with the Stealth Ops Upgrade Kit; The kit includes a Red Dot Sight and a Proximity Barrel for precision targeting and a Pivot Grip for a steadier shot. For the ultimate in undercover accuracy, youll want to upgrade stat with the Stealth Ops Upgrade Kit; Stealth Ops Upgrade Kit lets you upgrade your Modulus blaster (sold separately). 3 accessories for covert operations. Red Dot sight and Proximity Barrel make your targeting more precise. Pivot Grip gives you more stability when firing. Thousands of combinations with the Modulus system (other kits, accessories and blasters sold separately). Size H27.5, W38, D5.4cm. Batteries required: 2 x AAA (not included) plus . For ages 8 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.