"Roller Coaster Dad" Will Pemble (who built a roller coaster in his backyard) hopes to start a nonprofit that will teach math and science to kids through projects.
"An Orinda father who is the Bay Area’s self-described 'Roller Coaster Dad' has launched an online fundraising campaign to create a nonprofit center dedicated to 3D printing, robots, YouTube videos and of course, roller coasters." -- Lisa Fernandez, NBCBayArea.com
