Capacities vary by case type. Large carry/collector-style cases are described as holding around 100 cars; dedicated collector display cases typically hold up to about 30 cars; and smaller race or play cases generally provide room for roughly 10 additional cars beyond the vehicles included with the set.
Many cases include portability features such as built-in wheels, a carrying handle, or a suitcase-style carrier, allowing kids to roll or carry their collection for travel and play.
Some race-style cases double as playsets, including built-in launchers and track pieces while also providing storage for the included cars and extra space for about 10 more vehicles.
Most of the cases are specified for 1:64 scale cars (standard Hot Wheels). One listing in the set is labeled 1:10 scale, so supported scales can vary—verify the product details to confirm compatibility with your cars.
Many cases use individual compartments or a fold-open layout so cars are neatly shown and easy to remove for play or transport.