These are all replacement parts for robots, toys, toy robots, that are vintage and the company no longer produces them.
OmniBot Jr, Robie Jr – Urethane Tires
OmniBot, Hearoid, Robie Sr – Urethane Tires
OmniBot, Hearoid, Robie Sr – Urethane Grips
Molded from actual OmniBot grips.
OmniBot 2000 – Urethane Tires
Zeroid – Tire Belts
Molded from original doors and cast in a urethane plastic.