Mad Scientists: The 26-foot Lawn Dart

NATIONAL GEOGRAPHIC – Friday 24 February, 8.00pm

Venture into gadget-filled garages and junk-strewn backyards to meet amateur inventors who are making weird and amazing contraptions like a jet-powered office chair and a water-shooting wheelchair. Combining two inventions, the Roaster Coaster and the Air Powered Dragster, will put professional builder John Bowler’s skills to the ultimate test. This unbelievable backyard thrill ride is loud, scary and action-packed.

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