MATERIALS

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. ...

Ferrofluid is an iron-based liquid that reacts in the presence of a magnetic field.  Comprised of nano-scale magnetic particles suspended in a transparent liquid, ferrofluid aligns itself to a magnetic field, making it easy to visualize the field. With this amazing magnetic...

Average size: 1–2" Photos are representative of what you will receive. Please allow for slight variations in shape and color.  Further information: Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a pentavalent post-transition metal...

Colors change from: Orange to Yellow, Purple to Pink, Green to Lime Green Changes color through body heat Stretches like rubber, bounces like a ball & tears like paper, pulls up newsprint Glux is made in the USA from nontoxic...

Almost all cephalopods- the tentacled class of marine mollusks that include the octopus, squid, and cuttlefish- have the ability to eject dark ink from their body as a method of escaping predators. The melanin-based ink is stored in an ink...

Artificial glass from fused volcanic dust from Mt. Saint Helens.

New magnetic GLUX putty with attractive properties! It’s infused with millions of magnetic particles. Includes a very powerful magnet to charge and demonstrate this putty’s unique powers. Recommended for Ages 14+Made in USA

Glows under UV light 

This humidity indicator card is a useful tool to help protect sensitive items from exposure to too much moisture in the air. It works by taking advantage of the color-changing properties of the chemical cobalt dichloride (CoCl2). When dry, or...

These patches were printed in 1969 for the Apollo 11 mission. After the tragic Apollo 1 launch pad fire that killed 3 astronauts, NASA decided to work on removing all flammable materials from the spacecraft cabin. A new material was...

Large size: approximately 50-80g Medium size: approximately  30-45g Small size: approximately 15-25g Photos are representative of what you will receive. Please allow for slight variations in shape and color.  Further information: Bismuth is a chemical element with the symbol Bi and atomic...

Zirconium is an element with valuable properties. Don’t dismiss this element as “cheap” due to the commercial popularity of cubic zirconia (ZrO2). Pure Zr is a metal and one of the most heat and corrosion resistant elements. Due to these properties,...