Title rated 3.7 out of 5 stars, based on 15 ratings(15 ratings)
Book, 2013
Current format, Book, 2013, First edition, No Longer Available.
Book, 2013
Current format, Book, 2013, First edition, No Longer Available. Offered in 0 more formats
"There's something lurking in the junkyard in Jim Knox's neighborhood, and it's up to him and his friends (and science-fair rivals) to put their robot-building skills together in order to defeat it"--
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