Description: Material: Science Set is made of good materials, safe and durable, not easy to be damaged and deformed, suitable for long term use.Size: The size of Bubble Making Science Set is suitable, kids can handle and operate it easily.Function: Bubble Science Set can be operated and assembled by yourself, which can help cultivate children's manual skills, creativity and imagination, practical skills, scientific knowledge and physics knowledge, cultivate patience and concentration, and promote fine motor skills.Scenario: Science Bubble Experiment is suitable for use at home and in classrooms, and is also suitable for DIY themes, scientific education, scientific experiments, cultivating hobbies and learning interests, etc.Gift: 3D Bubble Maker Set is suitable for children to play and is also an ideal gift for birthdays, Children's Day, Easter, Christmas, etc. Specification: You need to bring your own 2 AA batteries. Size Chart: 15cmx9cmx14cm/5.91inchx3.54inchx5.51inch Package Includes: 1Bubble Science Set Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.