Here’s that hard to find invisible ink for hand stamps, date stamps, part marking and other unique applications. Use on paper, fabric, wood, metal or walls. Visible only under black light. Apply using a brush, sponge or stamp. Ink can be poured onto a stamp pad. For illumination, choose from our variety of electric or battery operated black lights.
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Ever wonder how to survive in the wilderness? These cards can help!
Use this laser pointer for any professional presentation!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
This glass Erlenmeyer mug makes an excellent gift!
This kit will get your paper plane ready for takeoff!