Use the sun to spin a reflective disk and explore the abundant power of solar energy. Includes spinning disk motor solar cell and informative sheet packed with ideas for science projects. Use the sun to spin a reflective disk! Designed to help you... more
Realistic 7-piece model teaches the role of white blood cells and how they keep things moving smoothly through the venous system. This hands-on interactive model provides a magnified and cross-sectioned detailing of a White Blood Cell. Includes Ein-O s... more
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