My Singing Birthday Cake - Not just for birthdays! This cake has a lot to offer as well as doubling as a great teaching tool. The candles actually light up when touched by the magic wand. Hear the birthday song play, make your wish, and then blow out the candles! Cut the cake and share the pieces with your loved ones. Great for tea parties! Cake: 7.9" x 7.9" x 7.1 Magic wand: 4.5" Plastic knife: 4.6" 12M+ Cake is machine washable. 3 AA batteries and 3 AG3 button batteries included.