catethelibrarian

@storytimingcate

kids' librarian, goofball, reader, learner, dabbler, general enthusiast. All opinions my own & not my employer's.

Stuff @Constructive Playthings: thermal expansion set: cool, ball fits thru ring. hot, it doesn't #STEM #STEAM

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734 days ago

Stuff Playthings: thermal expansion set: cool, ball fits thru ring. hot, it doesn't #STEM #STEAM

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