Hot Wheels Silver Series 2026 HW Batman Series 4/15 Joker's Hi-Roller II The Hot Wheels Silver Series 2026 HW Batman Series 4/15 Joker's Hi-Roller II is a diecast car in purple color, featuring a 1:64 scale model of the HW Hi-Roller II. It is part of the Hot Wheels Batman series and is themed around Batman. The toy is suitable for children aged 3 and up, and is recommended as a collectible item for fans of Batman and Hot Wheels. Made in Thailand, this unopened box item is a great addition to any toy or diecast vehicle collection.