Builder knexpert06 shows off an incredible creation made using K’Nex construction toys. The 141 foot-long roller coaster has dual tracks so two coasters can race side by side. It took nearly 500 hours to build, but a full lap of the coaster takes just under a minute.
CoasterDynamix’s Cyclone is a modular and LEGO-compatible kit for making roller coaster models. It comes with everything you need, including a train, lift chain and gears. By default it’s powered with a hand crank, but you can also use a LEGO Power Functions motor.