Shamus' bike is a collector's item, but not all the people appretiate it. Especially, the McConaly brothers. Shamus secretly wants a new bike, and Megan, give the duo a very riduculous advice but a great idea. So they invent the Rainbow Machine. The Rainbow Machine is a success for earning money and also a target object for the McConalys to steal.
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Ready to Watch Tracey McBean, Season 1, Episode 16?