Material: plastic/plastic function: full-automatic bubble blowing gun packing method: color box packing method: OPP 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: parent-child communication ability training: interest training color: bubble machine concentrated package supplement (30 packs) color: bubble machine battery (12 tablets) 3 rows of color: square bubble machine red bag (battery self-provided)) color: square bubble machine blue bag (battery self-provided)) color: square bubble machine red color box (battery self-provided)) color: square bubble machine blue color box (battery-owned)) color: duckling bubble machine bag (battery-owned)) color: duckling bubble machine color box (battery-owned)) applicable age: children (4-6 years old)