Mr. I and Mr. E loved playing with it. They used the cars to drive through it. Mr. B even enjoyed it. (14 yrs.)
The magic mud is like a goppy liquid but hardens when you poke it.
To make it all you need is corn starch and water. I also added food coloring but it's optional. Add about 5 tablespoons of corn starch and about that much water or more and mix.