Gallium, 99.99%, 50g

Gallium, 99.99%, 50g

Ultra-pure gallium has a beautiful, silvery appearance, and the solid metal exhibits a conchoidal fracture similar to glass. Gallium is silvery white and soft enough to be cut with a knife. Melting point is 29.76°C (85.57°F). NC-13960

Silica Aerogel, 1oz.

Silica Aerogel, 1oz.

Aerogels are a group of materials in which the liquid portion of a gel has been replaced with a gas. Commonly called "frozen smoke", 99.8% of the volume is empty space within a fine silica structure. This popular item is essential for any science enthusiast's collection. NC-14625

Super Absorbent Polymer Water Beads

Super Absorbent Polymer Water Beads

Soak in water and these spheres grow 300 times their size! After a while out of water, evaporation will dry out and shrink the spheres again. Spheres are made from a hydrogel known as super absorbent polymer (or SAP). Ages 8+. NC-14674

$2.95
Yellow Uranium Glass Ball

Yellow Uranium Glass Ball

This one inch round uranium glass ball has a yellow tint, but will glow bright green under ultraviolet light.  Makes a great sample for uranium if you're collecting the elements. NC-14632

$10.00
Plastic Rattleback

Plastic Rattleback

Spin the Rattleback clockwise and watch it stop, rattle up and down and then spin in the other direction! A science curiosity whose ancient and mysterious properties capture the attention of all ages.  NC-14685

$2.95
Future Proof Periodic Table of the Elements Poster, 24x36 inches

Future Proof Periodic Table of the Elements Poster, 24x36 inches

The ultimate future-proof periodic table with 118 elements, 24x36 inches size, and neutral color-scheme. Future-proof by adding blank boxes as placeholders for the predicted, undiscovered elements, and featuring atomic weight, magnetism, and more.  NC-14627

$20.00
Green Europium Glow Powder

Green Europium Glow Powder

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. NC-14673

$16.00
Pink Europium Glow Powder

Pink Europium Glow Powder

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. NC-14678

Ferrofluid Magnetic Display Bottle with Magnets

Ferrofluid Magnetic Display Bottle with Magnets

Have fun with this utterly addictive Ferrofluid Magnetic Display Bottle. Ferrofluid is the astonishing liquid that becomes highly magnetized in the presence of magnetic field. With Ferrofluid in a bottle and the supplied neodymium magnets, you can easily play with this spectacular substance.  NC-14699

$19.95
Toysmith Mystery Fire Colorant

Toysmith Mystery Fire Colorant

Create magical flames of blue, green and red in your campfire, fire pit or fireplace. Directions included. Only use with adult supervision. NC-14741

$5.00