The Nine Planets, Views of the Solar System - information about the planets
Schools Observatory Orrery, Karen Stroms Orrery - simulations of the planets orbits
Solar System Scale Models - a list of scale models from around the world
Versaverter - This free software helps convert distances when you are creating a scale model. (It converts light years, parsecs, astronomical units, etc into kilometres, miles, or whatever unit you choose.)
Space Weather - daily news and views of the Sun