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A fidget spinner, in chair form.

The junior version to the ONGO Classic, this alternative sitting chair for kids has a rounded base that allows kids to move naturally from a seated position.

Engaging their legs as well as their core, this chair will teach your kids to sit with better posture while helping develop their balance and body coordination at a young age.

With seat height extensions, you can add up to two segments to the "stem" of the chair so that it accommodates your growing child. Similar to the ONGO Classic for adults, a fun ball sits within the groove of the base that spins along with your kid.

Free Shipping & 30-Day Returns

We offer free shipping and free returns to customers in the lower 48 states. Send back any item in like new condition in its original packaging and we'll refund you in full. See details.

Low Price Guarantee

When you purchase your adjustable desk, ergonomic chair or ergonomic accessory from Fully, rest assured that you are paying the lowest price available anywhere. Learn more.


Details & Dimensions

  • Seat height range: 11.8"–18" (increased by 3.1" increments with height extensions)
  • Weight capacity up to 264 lbs
  • Made in Germany
  • 3 year warranty


  • ONGO Kit ships via FedEx Ground from Portland, OR and Nottingham, MD
  • Box dimensions:
    • ONGO Kit: 14.5" x 14.5" x 13" — 7 lbs
    • Two height extensions: 11" x 6" x 3.5" — 1 lb