hot wheels 2019 hw screen time 9/10 - back to the future time machine hover mode hot wheels hot wheels hw screen time series, back to the future time machine hover mode, gray, 9/10, on a screen time standard card 108/250. hot wheels 1:64 scale die-cast metal collectible. whether you are a collector or love playing with them, hot wheels is a brand that brings out the kid in all of us. collect all your favorites. recommended for ages 3+.