Robots don't clean toilets
30 min read
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About This Book
"With the School Invention Fair coming up, Sam is determined to invent the best invention. First, he builds a robot that'll clean the toilet (but it refuses). He tries a fart fan (but that just creates a mess at lunch). Will Sam come to the fair empty-handed, or will he create something great and win a prize?"--Publisher's statement on Amazon.com.
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