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...

During the 1970s–80s, NASA used state-of-the-art computers from the company Modular Computer Systems. These "MODCOMP" systems were used in processing and controlling the telemetry of many space projects including the Voyager probes, Skylab, as well as the early Space Shuttle launches. ...

The Audubon bird call is a simple machine used to imitate and attract many bird species. The bird call’s sound is produced by rotating the birchwood cylinder against the cast zinc plug. By varying the pressure between the two surfaces...

Okinawan star sand displayed in a round acrylic case.    Be sure to check them out under magnification. Container Dimensions: 1.75" x .25"   The majority of sand contained in each case is an exoskeleton, however, you can expect to find...

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.  

Aerogel is one of the most impressive materials humans have created...so far.   Comes in a 1oz vial (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...

These small ultraviolet flashlights are very convenient for identifying rocks, hunting for scorpions, or just trying to find where your dog or cat peed in the house. Longwave UV (UVA)Wavelength: 315–400nmPhoton energy: 3.1–3.94 eV Runs on 3 AAA batteries (not...

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...

Helenite is glass made from fused volcanic dust from Mt. Saint Helens.  Approx. 0.75" diameter Please note: each marble is unique and contains minor imperfections. Surfaces are not completely smooth.

This is a new generation of phosphorescent powder that can glow 10x brighter and 10x longer than traditional glow-in-the-dark materials. It glows bright enough to be seen in daylight, lasts up to 30 hours, and can be recharged indefinitely. It...

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.

WE LAUNCHED THIS PRODUCT ON KICKSTARTER AND IT WAS FUNDED OVER 200% If you compress any amount of mass, it becomes denser. If you compress it enough, it will become so dense that light can no longer escape it—this size...

This loupe provides an impressive 30x magnification, perfect for examining microprint details on dollar bills, inspecting jewels, or reading the fine print of your cell phone contract. A must-have for any geologist in the field.