LEGO Education on Twitter: "Students can build a windmill, pulley, or even a letter balancer to teach #designengineering with Simple & Powered Machines. #Empower17 https://t.co/YXcpdgYY4R" / Twitter
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9686 High-tech Parts Multi Technology Moc Parts Educational School Students Learning Building Blocks Power Function Set For Kids - Blocks - AliExpress
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