Invisible Spy Ball pen 4 Pcs with UV Light at Top

It is a spy pen for kids, fun to use.

Turn on the light from the pen cap to see the secret message written.

Harmless and odorless ink. Smooth writing on pen, paper, skin and any surface. Permanent but washable.

4 reusable invisible magic pens with built in lights. Batteries included and installed.

Pens will come in a variety of colors to keep the activity exciting.