Write secret messages to your friends in the know, keep diary entries safe from prying eyes with light-coded messages, and leave invisible tags in school notebooks with this handy and affordable invisible ink pen! The pen casing is filled with invisible ink, and the thin felt tip allows you to create detailed images and messages. The pen cap contains a small UV light that allows you to reveal your messages for yourself, and to trusted confidantes. Buy a few for your friends and commence a covert correspondence or start a secret society! Makes an excellent party favor or stocking stuffer.
NOTE: This pen comes in assorted colors - depending on our current stock.
These disposable surgical-style earloop face masks conform to the ASTM F1862 Level 1 clasification. Box of 50.
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
This is a smart value 200 gloves box of Large Nitrile exam gloves.
Durable, anti-fog safety glasses that fit comfortably on any head size.
High-protection, fluid-resistant and anti-static disposable lab coat in size Large.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
This classic desk toy will keep you amused!
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
This magic bird defies gravity before your very eyes!
Exciting magnet exploration for ages 8 and up!
Build your very own smart robot!
Comprehensive collection of 30 fossils.
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.