Many kits are made of plastic, while higher-end collector replicas often use die-cast metal and ABS. Collector pieces are frequently hand-painted to enhance surface detail.
Several kits include a dome-style or low-profile display base with a metal support rod. Base styles and supports vary by edition and manufacturer.
Many plastic model kits require assembly; packaging commonly notes that paint and/or model cement may be required or optional and are not included.
Model and replica lengths commonly range from about 9 inches up to around 22 inches, with many kits assembling to roughly 17 inches long.
Suggested ages typically range from about 10 years to 14+ years, and many items carry CPSC choking-hazard warnings for small parts.
Some kits include numerous small detail parts and clear components intended for lighting, along with optional pieces such as bridge window covers.
Die-cast replicas are produced from die-cast metal and ABS and are hand-painted to provide enhanced surface detail and a collectible-quality finish.
