I had these in my classroom for 3 years but no longer teach. They are in good shape. Features: no slip seat and non-marking rubber base.

https://www.lakeshorelearning.com/products/classroom-furniture/chairs-seating/premium-wobble-chair-14-green/s/HH957GR/?utm_source=google&utm_medium=ppc&utm_campaign=OG_SEM_BR_GOOG_SHOP_SS_performancemax_LOWER_MAIN_BAU&utm_content=OG_SEM_BR_GOOG_SHOP_SS_performancemax_LOWER_MAIN_BAU%7CGeneral%7C&gad_source=1&gad_campaignid=22386640463&gbraid=0AAAAAD39dltTaDRp4A3IKuqXLTqYmrYFx&gclid=CjwKCAjwuuPRBhAnEiwA2Ji8eurb_Tx4ZnKjydZQNjM0-BgPtQQP402uFdoKz6ltuyurkKf5Bq6bERoCmfYQAvD_BwE

These retail for $110. Asking $50 for one or $250 for all 6.

Check out my other classroom items I’m selling