Caillou's got a brand new painting shirt and decides to paint something for Grandma. He has a little trouble deciding what to paint. He wants to use all his colours and paint all his favourite shapes. Mommy tells him that paintings don't have to be about something and he proceeds to make his own abstract painting! Meanwhile Rosie and Daddy are pressing a flower for Grandma. When Grandma arrives she is thrilled with her very artistic gifts.