Rollkugel or Rollkugelsteuerung may refer to:
* Rollkugel (trackball device), a Telefunken computer trackball device developed in the mid 1960s
* Rollkugel (mouse device), a Telefunken computer ball mouse developed in 1968
Rollkugel or Rollkugelsteuerung may refer to:
* Rollkugel (trackball device), a Telefunken computer trackball device developed in the mid 1960s
* Rollkugel (mouse device), a Telefunken computer ball mouse developed in 1968 (en)
Rollkugel or Rollkugelsteuerung may refer to:
* Rollkugel (trackball device), a Telefunken computer trackball device developed in the mid 1960s
* Rollkugel (mouse device), a Telefunken computer ball mouse developed in 1968 (en)