High-quality and durable plastic.Stimulate your child's hand-eye coordination.Bring endless fun for your children.Great for any occasion or party.Easy to operate: Our bicycle bubble machine is very easy to operate. All you need to do is install the bubble machine under the seat on any bicycle, fill it with bubble fluid, and then start the motor. Bubbles will flow out while riding.Specification:Material: plasticSize: about 27 * 7.8 * 10cmPower supply: 4 * AA batteries (not included)Package List1 x Bubble MachineBubble Solution is not included1High-quality materialsThis bubble-blow toy is made of high-grade ABS plastic, which will not be easily scratched or broken. The edges of the fan blades are obtuse to prevent injury. 2 Create Whirlpools of FunThis kids bike bubble machine will be unique and fun way for kids to make bubbles while riding their bicycles Let your child having double fun of Bicycle and Bubbles for hours. 3 Convenient to carry The bubble machine toy is of suitable size and convenient to carry, suitable for indoor and outdoor games. Children can play in the house, playground, kindergarten, park. Enjoy the wonderful bubble world anytime, anywhere 4 Easy to OperateThis bike bubble machine is very easy to operate. All you need is to attach the bubble machine below the seat on any bicycle or bike and activate the motor. Bubble will stream out as you ride. 5 Perfect Gift for Kids The bubble machine toy can be attractive and innovative gift for birthday, school holiday and seasonal greetings to your kids. Let the children have fun at home in this special summer.