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I built this PVC roller coaster in my backyard in early 2012. Here is my website: BackyardCoasters, showing pictures and videos of this and other coasters I have ...
backyard roller coster 2!by astro boy
my backyard roller coasterby astro boy
Challenge: Coasterby NPTechman
Backyard Project Woodby john pedersen
Knex Roller Coasterby KnexKreator
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