Children's Gravity Pistol Gun Toy 3D Mini Model Toy Bullets No Fire Rubber Handgun Mini Radish Knife Toy Model Baby 1911 Toy

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