From cutting apples to zipping a backpack, you need wedges. Read Wedges to the Rescue to learn what wedges are, how they work, and how these simple machines can save the day.
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From cutting apples to zipping a backpack, you need wedges. Read Wedges to the Rescue to learn what wedges are, how they work, and how these simple machines can save the day.
Read Less
Add this copy of Wedges to the Rescue (First Facts: Simple Machines to to cart. $66.94, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2007 by First Facts.
