What is Different of Water Based Air dry Clay & Oil Based Non Dry Clay?
Type of water-based clay :
Air dry, Easy to mix color, Easy to clean up, Easy to shape, Nontoxic, Safety.
Air-dry clays are all water-based, although the rest of their ingredients can vary a huge amount as well as the characteristics of each. Many air-dry clays can be made at home, and some can be purchased. Air-dry clays all “dry” to harden because they’re water-based.
If you don't use these types of clay before, you can refer :
Type of oil-based clay :
Modeling clay, Modeling clay 12 colors
Difference between water-based clay and oil-based clay
The difference between the two is the water-based clay will be air dry and oil-based clay will not dry and can be reused. All types of clay will vary in softness and hardness due to weather changes. If water-based clay feels a little hard during use, you can add some water to soften it, and oil-based clay can be softened by using a hairdryer.