Fast endless Bi-directional spiral with an ho scale train Powered by what appears to be seven HO-scale locomotives, Risner’s creation also works in reverse. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Reinventing The Conveyer Belt The Only Handheld Printer You’ll Ever Need Garbage Truck Crushing a Car Tourbillon: Testing of a new generation theme park ride 1000 hours of clockbuilding in 12 minutes Ninebot One, the Futuristic Self-Balancing, One-Wheeled Scooter
