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?
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Published by Grosset & Dunlap Jul 11, 2013| 128 Pages| 5-1/8 x 7-5/8| 6-8 years| ISBN 9780448461090