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.
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This kit allows to build up to 3 different robots!
Great tarantula specimen for the science classroom!
This beautiful candle holder is carved out of natural amethyst!
Build a tumbling robot that gets up right after it has fallen down, without any outside help!