Orville and Myron create the Mooey Pooey Machine, a cow manure converter that supplies methane gas for the spaceship they build for the science fair.
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Orville and Myron create the Mooey Pooey Machine, a cow manure converter that supplies methane gas for the spaceship they build for the science fair.
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Add this copy of Orville Orbit: the Mooey Pooey Science Fair to cart. $6.50, new condition, Sold by tttkelly1 rated 4.0 out of 5 stars, ships from Fresno, TX, UNITED STATES, published 2017 by Plaid People Press.
Add this copy of Orville Orbit: the Mooey Pooey Science Fair to cart. $30.61, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2017 by Plaid People Press.