Worry Monster Plush
The child can either write or draw pictures of something that is worrying them. The child then places the 'worry' in their Worry Monsters mouth, which is then zipped up. The child can then go to sleep without worrying, because their Worry Monster will eat their worries away. The parent takes out the 'worry' whilst the child is sleeping. The child wakes and their Worry Monster has eaten their 'worry away, leaving the parent worry aware, and the child worry free.