$10 to $15

Often used to encode top-secret information, invisible ink has a long and interesting history dating back to 4th century BC. There are all kinds of...

Wait—it says "blue," but it's printed in red. What's going on? This multi-player brainteaster game is designed to befuddle, and strenghten your bra...

A real working stethoscope is the perfect accessory and tool for inspiring the next generation of medical professionals. Children can listen to the...

A scroll is a piece of paper or parchment containing text. Before books and way before computers, the scroll was how people told stories, kept reco...

Save the day with Comic Book Thinking Putty®! This super powered putty has all the thrilling elements of an animated picture book exploding with ch...

This charming creature can be your enchanted best friend. Magic Dragon® Thinking Putty® includes the marvelous Hypercolor® effect and changes from ...