I found rubber parts that do not appear in the list of contents – KOOV Help Center

I found rubber parts that do not appear in the list of contents

The KOOV™ Educator Kit contains four pieces of rubber to be used as tires on wheels.

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Questions regarding pieces contained in the various kits
- I found white plastic parts that do not appear in the list of contents
- I found rubber parts that do not appear in the list of contents