Here are some some other examples of scale models of the solar system, and additional resources:
If the Moon Were Only 1 Pixel: a “tediously accurate” online scale model of the solar system.
The Sweden Solar System: the largest scale model of the solar system in the world.
The Peoria Community Solar System: a large scale model of the solar system with its center in Peoria, Illinois.
The Maine Solar System Model: another large scale model, with its center at the University of Maine at Presque Isle.