Material: plastic/plastic function: full-automatic bubble machine packaging method: color box ability training: emotional ability training: visual ability training: intelligence development ability training: crawling ability training: hands-on brain ability training: grasping ability training: sensory ability training: hand-eye coordination ability training: other ability training ability training: interactive toy ability training: auditory ability training: ability training of parent-child communication : interest training color: 6-hole astronaut pink color: 6-hole astronaut blue color: 6-hole duckling bubble machine color: 6-hole chicken bubble machine color: 6-hole green frog bubble machine color: 6-hole elephant pink bubble machine color: 6-hole elephant blue bubble machine color: 6-hole elephant gray bubble machine applicable age: children (4-6 years old)