The tubular kaleidoscope in astrology paper w/ wood base measures 8"L x 1.5"W on wood base. This kaleidoscope is covered in astrology paper. The perfect gift for the executive who still enjoys life's simple pleasures. This kaleidoscope is sure to bring hours of fun and fascination for people of all ages! The word kaleidoscope derives from the Greek word Kalos (Beautiful) and Eidos (Shape). It was invented by Sir David Brewster in 1816. A kaleidoscope is a tube of mirrors containing loose beads, pebbles or other small colored objects. The viewer looks in one end and light enters the other end, reflecting off the mirrors to create unique and spectacular images. The multi-colored murals created within the kaleidoscope can be enjoyed by all ages for years to come.