VTech Toot-Toot Drivers 4-in-1 Raceway. Instruction Manual page 15

3. Connect K with J, connect H with K as shown below. Make sure you
hear a click sound to confirm they are firmly connected.
Once you've completed the above steps, the duel raceway is ready
to play.
Super Long Ramp
1. Disassemble J, K, G, H and I. Slide down G to the second floor as
shown below.
14