The size of this kaleidoscope is 9" in length by a 1 1/2" diameter barrel. The wheels are 3" in diameter and the black stained walnut stand is in 5 3/8"length by 1 3/4" height. The Floret Dichroic stands 3 inches high over all on its unique base. A solid walnut base with a solid flat front is available by special order that can holds an engraved plaque. Plaque size can be up to 1/2 high by 4 inches long making this kaleidoscope perfect for personalized gift giving.