From the back of the box:

Micro Machines Racing Board Game
Featuring Actino Speed Shifter Spinner

Ages: 5 and up
Players: 1 to 6

Object of the Game: Be the first player over the finish line or the player to finish 3 laps around the track.

Equipment:
2 Micro Machines
4 Game Movers
4 Game Mover stands
24 pieces of game track
1 Speed Shifter Spinner
12 Lap Tokens
Instructions

Summary: Each player in turn shifts the Speed Shifter and moves the number of spaces as indicated by the spinner dial.

Manufactured and distributed by International Games, Inc. Joliet, IL 60435
(c) 1989 Lewis Galoob Toys, Inc. All Rights Reserved