Blue Flash: a DIY backyard roller coaster
John Ivers built the "Blue Flash" roller coaster in his backyard:
Listen to the interview on The Next Big Thing or get more information and pictures of the “Blue Flash“ here.
Thanks for the tip Marco
John Ivers built the "Blue Flash" roller coaster in his backyard:
Listen to the interview on The Next Big Thing or get more information and pictures of the “Blue Flash“ here.
Thanks for the tip Marco
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