Mobile Step Stool: Ultra Durable, Lightweight Rolling Step Stool with Non-Slip Texture and Multi-Angle Step Support - China Step Stool, Step Stool with Wheel | Made-in-China.com
Kick Step Stool Swift Metal Heavy Duty Roll Around Non Slip Ladder RED | eBay
Kick stools, kick step stools | KAISER+KRAFT
Source plastic construction kick step foot rolling stool with mobile spring-loaded castors on m.alibaba.com