The Candy Castle is an educational read-aloud book for children between 3 and 7 years old. With a fictional story, this children's book tries to give a subtle message to eat healthy to avoid cravings for unhealthy snacks. In this way it remains an amusing story for toddlers, but parents can still unconsciously pass on the advice to their children to eat healthy.The Candy Castle is an educational read-aloud book for children between 3 and 7 years old. With a fictional story, this children's book tries to give a subtle message to eat healthy to avoid cravings for unhealthy snacks. In this way it remains an amusing story for toddlers, but parents can still unconsciously pass on the advice to their children to eat healthy.