Eco-Friendly Sign - Danger Flammable, Environmentally friendly Danger header safety sign is 100% recyclable as a number 2 plastic, Made from high-density Post-Consumer Recycled (PCR) polyethylene with UV-Inhibitors, Chemical resistance to solvents, acids & alkalis, 7 In h x 10 In w
Planetary Gear Demonstrator, Size: 24cm x 14cm x 14cm, for explaining the principle of a planetary gear. By setting the internal sun and pinion gears into motion, Class Pack of 10
Go Wireless* Exercise Heart Rate, Recommended for College, High School, and Middle School Science, excellent hands-free option for continuously monitoring heart rate before, during, and after exercise or while a person is stationary
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