Whether teaching good nutrition in “Apples and Bananas” or zany dance moves in “Can You (Point Your Fingers and Do The Twist?)”, The Wiggles’ videos are as bright, light and fun as their songs. Equally at home playing make-believe (“Dressing Up”) or injecting some culture into children’s lives (Emma’s bow-tiful ballet in “Twinkle Twinkle Little Star”), The Wiggles long ago mastered the art of keeping little ones (and, let’s be honest, their parents) entertained.