Discover a world of fidgety, fashionable pocket-sized pets that need love and care! Each Nano-Mals pet has a color-changing heart meter that kids fill by pressing its mouth, moving its arms, pressing its ears, swinging it back and forth, and more! Makes adorable noises, syncs with nearby Nano-Mals and clips onto backpacks or belt loops for extra fun. Available in 8 styles, each sold separately with interchangeable outfits. Each includes 3 cell batteries.