150 STEM Labs is a collected edition of 3 volumes:
150 STEM Labs is a collected edition of 50 STEM Labs, 50 More STEM Labs, & 50 New STEM Labs. In it, you will find all 150 labs resorted into 12 categories for easier teaching of units. Get all 3 volumes at a more affordable price!
50 STEM Labs + 50 More STEM Labs + 50 New STEM Labs = 150 STEM Labs
The 12 categories and the number of projects in each are:
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