1、Never Gets Wet: The sand is poured into the water and taken out again. It is still dry. There is no water at all, which will surprise the audience!2、It's More Fun: It's a new way to play sand in water. Use your imagination! Greatly enrich one's mind! A powerful and unconstrained style.3、Endless Possibilities: The play sand toys can be used to build underwater sand castles! It' s great fun for children and even for adults.4、Reusable Science Toy: Build sandcastles under water, then simply pour the water off and let the sand dry! You can use it for science experiments.5、Learn About Water Molecule Properties: Discover the colored sand and real sand for a fun science experiment or lesson! Also suitable for aquarium landscaping！ Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store