Adorable 4cm baby dolls with light up function that reveals secret relationships when characters meet. If the nappies light up they reveal a secret symbol to show if they are best friends. Can be used as a phone charm that lights up when a call is received. One supplied. Requires 2 x G3 (LR41) batteries (included). Size (H)14, (W)10.5, (D)3.5cm. For ages 5 years and over.