These 1/4 inch thick glass plates are ideal for testing the hardness or softness of minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity of residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This kit allows to build up to 3 different robots!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
This glass Erlenmeyer mug makes an excellent gift!