Mstechcorp, Muti-Set Solar Toy Dancing Cute Baby Animal on a Cupcake Plastic Bobble Head for Home and Car Decor Gift ~ USA SELLER!! (1, Kitty on Blue) 100% Brand New Material: Durable Plastic, Size: 4"(H) x 4"(W) x 3"(L) Place these baby animals under the sunlight and they will shake their heads for you No batteries needed. Hassle free. Comes with different set of packages; pick one.