This is a large aquarium castle for a fish tank. The castle is composed of multiple elements into which the fish can swim and hide. Overall, the castle measures 4 1/2 inches long x 4 1/4 cm tall x 1 1/4 inches in maximum depth. The base is marked Made in Japan and the word Japan is impressed on the back at the bottom. The castle is hand painted in light colors with orange and yellow roofs.