Make a Mission Control console. Use toys you have or purchase at a yard sale or thrift store. Fun idea when studying astronauts, astronomy, the planets. Use with Apologia's Exploring Creation with Astronomy.
An idea for Tom to build for me for any students with fine motor difficulties and a fun activity for our grandkids. Homemade busy board for fine motor skill development - this is heaven for a curious kid!
Wall mounted ball run. This would be great for kids who are too young for the marble runs. Could be used as a music installation if there are movable obstructions in the pipe that make sound when a ball touches them