The Tesla Science Center at Wardenclyffe is a nonprofit organization established to develop a regional science and technology center at the site of Nikola Tesla's former Wardenclyffe laboratory on Long Island, New York. The center raised money through crowdfunding to purchase the property.
The science center gets their money through donations.
They are a nonprofit and they got their money for the property through crowdfunding which is a form of receiving donations. I think it was difficult because it focuses more on the financial aspects of the paragraph. 