ZQ Inspired by EQ, the Theory of Emotional Intelligence, and with the guidance of child development experts, the ZQ approach nurtures emotional self-confidence while fostering cognitive and physical growth. Zolo’s progressive design stimulates the recruitment of a greater variety of brain cells than traditional baby products, which helps create a more open-minded, flexible thinker. Zolo’s goal is to encourage self expression, build self-confidence, and inspire the imagination. Play and enjoy! Funky Wooden Pull Toy! Head bounces up and down when pulled along by a gleeful toddler!nbsp; Can be linked together with Zippy Buggy and Zippy Scoot. Zippy Buggy and Zippy Scoot sold separately. Age: 12+ months. Developmental skills: Development of Motor Skills. Creativity. Imagination. Independent Play. Emotional Intelligence