Hot Wheels 5 Car Gift Pack-Insectirides by Mattel. $5.55. 1:64 scale die-cast vehicles with unifying themes in each package. These 5-Car Gift Packs deliver five of the coolest Hot Wheels cars!. 5 Hot Wheels Cars per Pack. Each pack is an instant collection. Each theme features its own unique collection. This is a pack of 5 Hot Wheels cars that are part of the Insectirides.