"hobo data logger"
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Vernier® Investigating Biology Through Inquiry Lab Book
All-inclusive lab book.
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Elementary Science Olympiad: What Did It Eat?
The nation's most exciting science competition now has kits for at-home use!
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Elementary Science Olympiad: Metric Mastery
The nation's most exciting science competition now has kits for at-home use!
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Elementary Science Olympiad: Gummi Bear Long Jump
The nation's most exciting science competition now has kits for at-home use!
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