A teleidoscope has no moving parts.
Its lens and mirrors transform whatever you view into a riot of kaleidoscopic images. This teleidoscope has superior optics for crisp, sharply defined images.   Its exterior is beautifully turned of solid rosewood (cocobolo ).  T-scope 7" x 1 1/2 Dia   Box 8" x 21/4"
It comes in a matching, handsomely crafted rosewood (cocobolo) hinged display box.
A best seller and a great gift.