Fun decoration - the realistic boat decoration has lively action, the moving mast swings, the lifeboat moves and the air bubbles rise from the hole in the boat. It can float up and down, accumulate air bubbles in water, looks good and is easy to install. Dimensions - This wreck decoration of length 24 * width 6 * height 13cm will transform your normal aquarium. Just clean and put this accessory in our aquarium and within minutes you will have a chic aquarium Optimized design - cast boat with great attention to detail, made from durable and safe resin, this detailed hand painted aquarium ornament is safe to use in both freshwater and water aquariums salty. Last decoration - the range of motion varies depending on the size of the oxygen gas. Varies according to the amplitude of the movement of the different oxygenated gases. If the number of bubbles is large enough, this wreck decoration can even float up and down while the bubbles are running.