Fisher-Price Baby Smartronics  Tickle 'n Teach Porcupine This whimsical porcupine teaches babies the basics by simply touching his wiggly quills! I In first mode, baby bats at 7 quills to learn shapes, numbers and colors. In second mode, learning changes to music as quills become musical notes and sound effects. Baby can twang all the porcupine quills for fun sounds, then pull him along for fun motion and music.