You can get a new top with metal gears for cheap from their website. This thing is a tank and will never need to be replaced. Also for clean up it gets wiped out with a paper towel when cool, and placed back on the kitchen rack. Whirley-Pops are awesome. Simple does not equal cheap.
In case, like me you had no idea what the title meant.
A volunteer seaweed removal program involving citizen scientists has seen a dramatic improvement of up to 600% coral regrowth off the coast of Magnetic Island.