This Awesome Grandpa Makes an Epic Roller Coaster For His Grandchildren in the Backyard

A former aerospace engineer is keeping himself busy in retirement, by constructing a mini roller coaster in his backyard for his beloved grandchildren to enjoy. This grandpa took things to the next level; this video he uploaded shows his grandchildren having a whale of a time as they complete circuit after circuit, screaming and laughing as they go. This is one awesome grandpa every kid wishes they had!

Watch the video and make yourself jealous here: