Level 11 - Lime Set (10 titles)
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Inventors and Inventions
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4.7 |
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X-Rays
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2.8 |
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Light Bulbs
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2.8 |
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Refrigerators
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2.9 |
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Smart Homes
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2.9 |
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Solar Panels
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2.9 |
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Toilets
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2.9 |
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TVs and Remote Controls
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2.9 |
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Safety in Extreme Climates
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Safe Buildings
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Safe Transportation
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The First Flight
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2.9 |
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The Internet
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3.0 |
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Cell Phones
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3.0 |
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Robots in the Field
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2.9 |
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