Melissa & Doug Numbers Sound Puzzle - Wooden  Puzzle With Sound Effects (21 pcs) See and hear numbers with this wooden puzzle board and pieces Light-activated sensors trigger sounds from the built-in speakers Full-color matching picture under each piece Improves matching and listening skills as well as manual dexterity. 3+ years; AAA Batteries Not Included WARNING: Choking Hazard - Small parts. Not for children under 3 yrs.|AAA batteries not included.