Executive Set Hand Held Wooden Kaleidoscope in Sapele Wood By Mark Reynolds - 4 Cell Set. Dimensions are Kaleidoscope itself is approx 13 3/4 inches long with cell attached. The barrel diameter is 2 3/4 inches in diameter. The base is 10 1/2 inches long by 5 inches wide. This set does come with 4 Interchangeable oil filled cells.