Bøger i Robotx serien
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- The Lever
108,95 kr. "Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work--lift and lower, separate, and open."--
- Bog
- 108,95 kr.
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- Bog
- 108,95 kr.
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- The Wedge
108,95 kr. "Splitting Apart explores the benefits and uses of the wedge. RobbO and RobbEE need to build a wedge-shaped machine to move the snow piled outside their workshop. They find lots of other uses for a wedge, too."--
- Bog
- 108,95 kr.