My son likes to arrange things in a straight line and gets excited about his success. It can be anything like pillows or blocks or candies etc. etc. etc. He loves to stack the original wooden blocks up on top of eachother. He can get as many as fifteen to sixteen on top of eachother but he straightens them as well. He can already peddle a tricycle backwards and forwards with ease. My mother was an RN for over 40 years and has told me that she has never seen a child as coordinated as he is. Is this different than other 2 1/2 year olds?