Bubble machine snap circuits

• Specially STEM education assembly Kit, designed to enhance children’s Science, Technology, Engineering, and Math skills.
• Easy to assemble. Detailed instructions make it much easier and more convenient to assemble the models. Requires two AA batteries.(Not included)
• Kids will learn and understand the principle of mechanical rotation and cultivate children’s interest in science and technology.
• A great family activity – Kids teens, parents, and grandparents all love building and innovating together.
• A Great Gift for birthdays, back to school, and any holidays.