California father builds 180-foot backyard roller coaster after son asks for one
A California father constructed a 180-foot roller coaster for his son after the child expressed interest. They spent six weeks working on the project, which cost around $3,500 to complete. The father used the project as an educational opportunity to teach his son about physics and mathematics throughout the construction process. Neighbors became curious and followed the project as it progressed in their backyard.
