Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 100mm focal length, 2in diameter and 8mm thick
Mystery Density Activity Set with wooden holder, which allows for efficient storage and easy access, Set of 12 bars of different length but the same diameter
Stem Explorations- Vehicles Building Set, Age: 8+, set includes 130+ parts for a single child or team of 2 children to build 7 vehicle models with different power sources, including push-power, rubber band power, wind power or a spring motor, for grade 3-5
Element Groups kit, Activities in this kit focus on developing a better understanding of why periodic trends occur in the elements, Students will perform two sets of experiments focusing on the alkaline earth metals and the halogens groups, contains enough material for 8 groups
Needle length: 1.9cm. Guage: 21. Connected by 30.5cm long tubing. Needles feature Safety-Lok protective shield which reduces needlestick risk. Shield is designed to meet OSHA safety standards for engineering controls.
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