Jay Hewitt, a handyman from Massachusetts is building an epic, 3-story, 40-foot-tall treehouse for his grandkids and family to enjoy.

Before his 5-year-old grandson and 4-year-old granddaughter were born, Hewitt said, “I wanted to build a treehouse for them. You’ve never seen a treehouse like the one I’m gonna build for them.” He had enjoyed a treehouse in his own childhood, “but it was basically a 4-by-8 sheet of plywood. I never dreamed that a treehouse would be anything like this.”

Hewitt began building the treehouse about a year ago. He currently intends to sell the entire property, but if he doesn’t find a buyer, he plans to continue expanding the treehouse.