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cruelprinta
5
designs
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183
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16120
Balloon Powered Single Cylinder Air Engine Open Chassis
Greg Zumwalt
41
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14007
Balloon Powered Single Cylinder Air Engine Toy Train
Greg Zumwalt
106
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15282
Tabletop Tri-Mode Spring Motor Rolling Chassis
Greg Zumwalt
33
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3739
Nespresso Capsule Recycler
Anthony L
142
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21099
Dual Mode Windup Car
Greg Zumwalt