Specifications: Color: blue, pink Size: 11.5 * 11.5 * 11.5 cm Weight: about 150g Battery: 4 AA batteries (not included) Offer: 1 * balls High Quality Materials: Made of high quality plastic materials, safe and reliable, non-toxic and tasteless. Has high bite resistance and will not damage pet teeth. Improve Health: Jump ball sports stimulate dog’s senses and maintain attention for several hours, no more running and jumping can improve the health of the dog. Colorful toy: insert the battery and press the switch. The balloon will play music and emit lights and keep dancing to attract pet’s attention. (The product does not contain a battery) Improve skills: train your dog on patrol so that animals can learn to catch and return. The owner plays with the pet to increase the ability of the dog. Accompany your pets: colorful toys can attract their attention and prevent your pets from feeling bored and lonely when you go out with your pet. family."