Instructions
Click on "Water" from the left menu and drag it to the center circle. Drag "Earth" to the center circle in the same way.
Click on the small symbol to the bottom right to create "Mud" which is automatically added to your inventory. Select the "Mud" on the circle and drag it to the small "Trash" circle to the right to remove it from the circle.
Place "Earth" and "Fire" on the circle to create "Rock." Drag the rock to the right in the same way.
Create "Sand" by dragging "Rock" and "Air" into the center circle and combining the elements. Drag the sand to the trash circle to the right to clear it.
Combine "Mud" and "Sand" to create clay. Remove the clay from the circle so you can make more elements.