
Continuity mistake: While the four parents are atop Adam's chest of drawers, the red Britannica Junior Encyclopædia behind Adam's Sharkruiser has its spine facing out, and we see its volume 16. However, when Wayne, Gordon, Diane, and Patty are seated inside the Sharkruiser and begin to take off down the track, the Britannica behind them is now volume 20. (00:30:20 - 00:32:15)
Answer: As wayne enters the car he says, "Too bad Adam wasn't playing with the Splittin' Image, huh? That was cherry", to which his brother replies, "Yeah, but the Twin Mill was Faster."The Twin Mill and Splittin' Image are two popular Hot wheel cars that debuted in 1969.