Amos is a miniature horse that is attracting a lot of attention recently with his ability to do puzzles, play basketball, and paint.   Amos is 10 years old and lives in Boca Raton with his owner Shelly Saidel, who has trained him to do a variety of tricks.   He even volunteers bringing smiles to special needs kids, veterans, and people in nursing homes!  The best part about this story:  Amos seems to truly enjoy playing.