Irish Fairy Worry Plaque to Help Remove Children's Worries and Anxiety This is a unique tool to help children who need help calming themselves! Simply have the child's press and hold their hand on the board which will activate the red light. After a short time, the light will turn green providing a visual cue for the child's to know their worries are gone and to remove their hand. Requires 3 "aaa" batteries (not incl.) Can be wall mounted. Dimensions: 11 x 2 x 11 inches