EVA Soft Bullet Toy Guns 3D Printed Small Pistol Toys Pistol Fidget Toys Adults Stress Relief Sensory Toys for Kids Friends Gift

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