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UPC : 4905083059906
a 17th-century cylindrical stone tower windmill that was built outside the village of Chesterton
AK-MP72-094
David Galchutt has worked as an illustrator/painter for over 30 years
Ugears Pendulum STEM LAB - 92 Pieces 1500 UPC : 4905083059906Learn how the manual PENDULUM works: The Pendulum is a stylized educational model, an interactive study guide to the mechanism, only for learning its essentials and principles of working. The pendulum is one of the basic and most reliable time measuring mechanisms. Its working principle is based on the model's constant amplitude oscillation under the force of gravity (weight) and potential energy (tension force) of the rubber band. The rubber band
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