Stem Explorations- Gears Building Set, Age: 8+, Set includes 140+ parts for a single child or team of 2 children to build 3 unique geared models: a Crank Fan, Car Window, Egg Beater, elementary-school aged children will be engaged in understanding Science, Etc.
Periodic table of spectra makes it clear to students that each element has its own spectral fingerprint, Poster Heading: Emission Spectra of Elements, Size: 24 x 36in
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