Novascopes shouldn’t need any introduction. We have covered plenty of amazing 8″ and 12″ versions here. This 16-inch Star Novascope is the largest we have tested and can create truly amazing patterns. You can experiment with LED lights, flashlights, and other light sources.
This stained glass geodesic sphereoscope by David Sugich has a large triangle base. It has loose beads to enhance your experience.