We do not sell or provide pre-made starters kits. However, for every system that we showcase (actuators, sensors, control, and case studies), we provide all the resources needed for fabrication, including multimedia tutorials and a detailed bill of materials.The fabrication information can be found on the navigation tab, at the left hand side of the component's main page.
The soft robotics components are categorized into broad classes, shown on the menu bar of the homepage; actuators, sensors, control, and case studies. The documentation for each class contains subsections covering the design, fabrication, modelling, and characterization of the components. These subsections are located in the navigation widget, on the left-hand side of the component's main page.
Otherwise, you can purchase your components from alternative suppliers. As long as the component's specifications are the kept the same, you should be able to achieve the same result regardless of the supplier you choose.
Soft actuators behave similarly for air and water, as long as the right pressure is provided.
However, for the control board, switching from air to a different working fluid might required alternative components and specifications. The pump we list is meant to use air, so you would require a different pump to achieve the required pressure. The pressure sensors/manifolds we use are also meant to be used with air so you will have to find alternatives.