Products

Don't know your blood type? Find out in minutes with this sterile blood type testing kit. Includes everything you need to take the test at home. Nothing needs to be sent to a lab. Tests for A+/-, B+/-, AB+/-, and O+/-...

In the past, glass manufacturers added uranium to glass for color. Uranium has since become more strictly regulated, but the old uranium glass objects are still floating around. Because of the uranium content, these marbles glow bright green under ultraviolet light. ...

Special edition 3.5" iron-on NASA mission patch for the Apollo 11 moon landing. Free shipping.  

Corning Pyrex® Glass Beakers are designed with uniform wall thickness. Borosilicate 3.3 glass provides the proper balance between mechanical strength and thermal shock resistance. The highest quality control in the industry means you'll get the most precise measurements possible.

Can you create more than 70 shapes? Unlock the mystery of Shashibo! Each Shashibo is powered by 36 rare earth magnets. 1 cube transforms into over 70 shapes. Combine 2 or more Shashibos to build larger shapes and create more possibilities. Can you master...

Our mighty 4mm cubic rare earth magnets are incredibly useful, mesmerizing to fiddle with, and a steal for only 5 bucks for a tube of 20. We had these custom manufactured to the highest magnetization the factory could concentrate into...

Aerogel is one of the most impressive materials humans have created...so far. This vial contains 25mL (approximately 1 heaping handful) of silica aerogel particles—the world's lightest known solid material. Commonly called "frozen smoke", it is safe to touch, hydrophobic (repels...

PYREX Erlenmeyer flasks are designed with heavy duty rims to reduce chipping. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable white enamel. An extra large marking space is...

Be a Voyager, exploring of the universe, while wearing this 1.25" version of the plaque on the Voyager spacecrafts.   More Info: The Voyager Golden Records are two phonograph records that were included aboard both Voyager spacecraft launched in 1977. The...

If you find yourself needing to write with a pencil in this digital era, use one that's so satisfying it will make you consider using pencils more often. These are high-quality hex pencils made of real wood with real rubber erasers. Not...

A box of 5-7 interesting items with info cards. Items could include fossils, minerals, interesting materials, pure elements, experiments, and more.  Protip: Hoping to get specific items in your box? Leave a comment in the box in the shopping cart...

Trilobites are a class of extinct arthropod marine creatures. This specimen is of the genus Flexicalymene which lived between 425-500 million years ago. Flexicalymene are used as an index fossil in the Ordovician Period. It can be difficult to grasp how...