Material: plastic/plastic function: full-automatic bubble machine packaging method: color box packaging method: pp bag 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: hearing ability training: parent-child communication color: bubble machine water 50 bags color: bubble machine battery 5 rows (20) color: pink space 6-hole bubble gun (bag) color: blue space 6-hole bubble gun (bag) color: pink space 6-hole bubble gun (color box) color: blue space 6-hole bubble gun (color box) applicable age: children (4-6 years old)