Fluid is a free app for iOS that belongs to the category Entertainment, and has been developed by Fabien Sanglard. It's recommended for families, Ages 3-4, kids, toddlers.
More about Fluid
People say great stress reliever, but after you make a slash water should calm down quicker, sound effects and different backgrounds should be available.
If you like Fluid you'll also enjoy: Sleep Sound - Go Mix It, Windy ~ Sleep Relax Meditate with natural white noise sounds to calm your mind and focus, Sleep Bug: White Noise Soundscapes & Music Box, Shape Shift, Koi Pond, A Mood Pad - Heat Sensitive Surface.