Engineering is Elementary

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A Reminder for Emily
A Reminder for Emily

Paperback: $8.00
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An Alarming Idea: Designing Alarm Circuits
An Alarming Idea: Designing Alarm Circuits

Teacher Guide: $50.00
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An Alarming Idea: Designing Alarm Circuits
An Alarming Idea: Designing Alarm Circuits

Materials Kit: $375.00
Refill Kit: $150.00
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