Engineering is Elementary

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Saving Salila's Turtle
Saving Salila's Turtle

Paperback: $8.00
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Water, Water Everywhere:<br>Designing Water Filters
Water, Water Everywhere:
Designing Water Filters


Teacher Guide: $50.00
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Water, Water Everywhere: Designing Water Filters
Water, Water Everywhere: Designing Water Filters

Materials Kit: $325.00
Refill Kit: $175.00
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