Monsoon - K'nex Roller Coaster
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32:27
Rise - K'nex Roller Coaster
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24:24
EVERY Roller Coaster at Cedar Point POV
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31:32
Cliffhanger - K'nex Roller Coaster
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14:22
Building a Cat-Sized Lego Train
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12:18
Doom - K'nex Roller Coaster
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3:14
Circles Down Roller Coaster – Planet Coaster 2
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19:56
How I Built The Worlds Largest Roller Coaster! Falcons Flight Six Flags Qiddiya K’nex Roller Coaster
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10:45