Diffraction Grating Glasses, 500lines/mm, Highly efficient, Single axis holographic diffraction grating lenses separate light from any source into its spectral components for study/analysis, Used with Power Supply/ Spectrum Gas Tubes, Make study of light easy
Stem Explorations- Levers & Pulleys Building Set, Age: 8+, Includes 130+ parts for single child/team of 2 children to build 3 lever or pulley models: a Balance, a Wheelbarrow and a Sailboat, children will be engaged in understanding Science, Etc.
Rat, 3X Injected Vacuum Pack 1, preserved in Ward s One Solution, A safer alternative to standard formalin fixed specimens, From individual organs to whole organisms, unsurpassed tissue preservation with a safer experience for students
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