Inventor's WorkshopThe Great Machine MysteryCover coming soon
Inventor's Workshop · Book 1
The Great Machine Mystery
A Inventor's Workshop Adventure
Ages 10–12Coming soon
A Roman statue has fallen onto a sixteen-hundred-year-old mosaic, no crane can reach it, and the rain is coming. Grandma Rosa has an unfinished machine with a label that says LIFTING WITHOUT POWER. Ollie is sure that one pulley and a hard pull will do it.