This plastic, translucent green rattleback prefers to spin in one direction due to its unique semi-ellipsoidal shape. When spun in the wrong direction, it will automatically shift the momentum until it "rattles" and spins in the opposite direction. NC-14630
This plastic, translucent blue rattleback prefers to spin in one direction due to its unique semi-ellipsoidal shape. When spun in the wrong direction, it will automatically shift the momentum until it "rattles" and spins in the opposite direction. NC-14629
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 chemical known as super absorbent polymer (or SAP). Ages 8+. NC-13815
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
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
Do it yourself or join with your friends to make over a half pound of smooth and delicious bubble gum. Lots of fun and easy to do! Ages 8+. NC-4134
On one side of this glass beaker mug is a caffeine molecule, enameled in white and on the other side it has graduations up to 400mL. Microwave & Dishwasher Safe. NC-12678
Have fun making photographic-type prints using the power of the sun. NC-2828
Come in after a long night of stargazing and enjoy a tall glass of chocolate milk before bed, keep an endless glass of iced chai by your side as you study for your astrophysics final, or use this Star Chart glass to savor your favorite moonshine cocktail. NC-14503
Rehydrate with your fancy new Periodic Table Tumbler Glass after a marathon lab session. Sip your evening cocktail in style, or gift one to your favorite lab partner. NC-14505
