2- In- 1 Pen, Invisible Writer - Black Ink
item #: TS2233
Please Note: This is for a single two in one invisible writer. This system allows you to write secret messages that only you can read coupled with a blue pen built right into the system that permits you to write everyday messages. It is absolutely amazing when you write a though or idea that only you can read! It's another great product from Little Folks Book and Toy!