Write Your Secret Message: Once you write secret message with this invisible ink pen, it will be completely invisible until you shine the light. These spy pens are fun and engaging for kids, making secret messages a delightful, educational game. It also a fun way to motivate kids to write and practice writing letters
Fun Invisible Ink Pen with Notebook: Our party supplies toys have 16pcs invisible ink pens and small notebooks. Each notebook has maze games and arithmetic problems, which allow children to fully experience the excitement and fun of solving puzzles! Best party favors for kids 4-8, prizes for elementary students, easter basket gifts