Foam Dart Blaster Toy Soft Bullet Gun Sponge Bullet Outdoor Interactive Hold-open Weapon Boys Toys Gifts

The child is happy. Works on batteries, it's more fun with them, but it also ejects cartridges without them.

How do I charge it? No instructions, no description, just a piece of metal.

Thank you very much son very satisfied

Didn't like the bullets

Thanks

Thanks