- Use with Ion Thinking Putty
- Check out US currency with the blacklight
New technology puts the power of a fluorescent blacklight in your hands. This tiny, lightweight keychain makes Glow in the Dark Ion Thinking Putty
go crazy! You can draw words, pictures, patterns and shapes on your Glow in the Dark Thinking Putty. The fun doesn't stop there!
You can also perform currency analysis! US currency as well as paper money from many other countries have hidden features that are only revealed under ultraviolet light. New US bills contain "security strips" within them, but did you know that each denomination glows a different color? Check it out with the Blacklight Keychain!
For Ages 12+.