I love watching my son play with his Lego toys. His simple yet vast world of imagination can create different scenes, each with unique stories and situations. One time, however, he came up to me feeling frustrated and disappointed. "Mommy, look at the car I built yesterday...it's broken!" he said, showing me one of his Lego creations, "I don't know how to fix it again." "Of course, you can", I said encouragingly. "Just try your best to build it again". "But I don't remember anymore..." he said giving up. "Okay, if you can't build the exact, same thing, why don't you just build a new one." I said. He then went back to his play area and started to build a new car. After a while, he came back to me and showed me his latest masterpiece. "Mommy, look!" proudly holding up his new Lego car, "I built a new one and I like this better than the one I built ...