Model K4321. 2 parts have a number written on the side of them in black sharpie - see last 2 pictures.
Hot Wheels 4 Lane Elimination Race Track with Fair-Start Launcher & Car
Hot Wheels 4 Lane Elimination Race Track with Fair-Start Launcher & Car New
Lot of 4 1969 Vintage Used Mattel Hot Wheels Dual Lane Curve Orange Car Track
Hot Wheels Dual Lane Rod Runner Power-Booster Hand Shift 1969 Orange
Vintage Hot Wheels Dual-Lane Rod Runner Hand Shift Complete Box Instruction 196
Vintage 1969 Hot Wheels Dual-Lane Speedometer No. 6484
