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Amazon.com: Children's Balance Ball Chair by Lakikid Yoga Ball Chair with Legs, Perfect Flexible Seating for Classroom Elementary & Preschool, Help Improve Focus with Sensory Chairs for Kids (18"/45 CM) : Sports
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Amazon.com: WALIKI TOYS Children's Chair Ball with Feet, Alternative Classroom Seating (Inflatable Balance Ball Chair With Stability Legs for School, Pump Included, (20"/50CM) : Office Products
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