Rudy fakes a science project by drawing a Bobble-Head Snap Machine in ChalkZone. His hastily drawn machine earns him the just-barely-passing grade he wanted. But then Dr. Von Dockter, the egocentric scientist who's always right, discovers that Rudy's machine has no electrical power source. He concludes that Rudy Tabootie has discovered the secret of perpetual energy. Penny is furious at Rudy, because she worked really hard on her project while Rudy drew up his project in 5 seconds and it is more popular than hers. But when Rudy's Bobble-head Snap machine is taken away for scientific research, risking the exposure of ChalkZone, Penny overcomes her anger towards Rudy and she uses the chalk herself for her first solo venture into ChalkZone to help Rudy.
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