Abstract: A device for walking or running in place, especially for virtual spaces in which two transport elements crossing each other at a right angle are provided, which together form a walkable central surface, on which a user walks forward, whereas, under him, the transport elements move at the same speed. It is essential that the transport elements consist of rows of square plates or tiles, which can be moved in rows in the X and Y directions, where at all times a row of tiles is removed by a transfer device and then shifted by 90° or 180°.

Abstract: The present invention 10 discloses a computerized treadmill 24 for dogs or other animals 12 wherein the treadmill is enclosed within transparent structural walls 16 having a door 28 hingedly 30 attached thereto to allow the dog to enter and exit for exercise. An overhead adjustable bar 18 is included for attaching a lease 38 thereto. A control console 20 is provided to allow the user 22 to set the parameters for the dog's 12 exercise session.