Fisher-Price Sleepy Hedgehog This plush hedgehog helps calm and soothe your baby with soft music and vibrations. Your little cuddler will love the sweet face, soft fabric and calming music and vibrations of this little buddy. This musical cuddly toy works on three included AA batteries. Specifications: Gender: junior Material: plush Color: mint blue, beige Dimensions: 16 x 14 x 7 cm (LxWxD) Batteries: 3 AA batteries (included) Age: from 0 to 24 months