Piaget's 3 tests

I did Piaget's 3 different tests to an eight year old boy who has autism. The first test that I did was with playdoh. I had two of the same sizes and colors of playdoh. I asked him if they were the same size. He said, "yes." Then I smashed one of the balls of playdoh down and asked if they were still the same size. He then said, "Uh huh, yes."
The next test I did was with two of the same size markers but they were different colors. I put them next to each other and asked him if they were the same size. He said, "yes." I then pulled one of the markers over and asked him if they were still the same size. At first he said, "uh no." but then he corrected himself and said, "oh yes." So I said, "Why" He said, "because they are the same markers still."
The last test I did was with circle tokens. I lined up five red tokens in a row spaced equally with five green tokens in another row. I asked him if there were the same amount of red tokens as they were green. He said, "yes" so then I pulled the red tokens farther apart from each other so that they were matching up with the green tokens. I asked him if there were still the same amount of red as green tokens. He said, "uh huh, yes." I asked why. He said, "because they are still the same."
I was really proud of him. I thought that he did an excellent job on the tests. I didn't know how he would do but he is very intelligent so I knew I could perform these tests with him and he would be able to answer the questions I asked him. This was interesting to me to watch because it is crazy how they think. It would be fun to do it to many different kids that are different ages and see the change of levels and capabilities each one of them would have.