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LEGO Set 9688-1 Renewable Energy Add-On Set (2010 Educational and Dacta > Technic > Supplemental) | Rebrickable - Build with LEGO
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LEGO Education:Renewable Energy Add-On Set (9688) Solar Power, Energy, Wind open 5702014607804 | eBay
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LEGO Education:Renewable Energy Add-On Set (9688) Solar Power, Energy, Wind open 5702014607804 | eBay
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Lego simple and powered machines (9686) with education pack (2009686) and renewable energy add-on set (9688)
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