Hot wheel Alloy car which come in a blind box with a key launcher. They are small, die-cast toys designed for crashing and smashing actions. 
Features:

• Mystery/Blind Box: Each truck comes in a sealed package, so the specific model is a surprise until opened.
• Key Launcher: An included key inserts into the rear of the truck and, when a button is pressed, launches the truck forward for "monster crashing action".
• Collectibility: There are multiple series to collect, often featuring 8 to 10 different mini monster trucks per series.
• Additional Inclusions: Each blind box typically includes the mini monster truck, one key launcher, and two stickers.
• Age Recommendation: Suitable for children aged 3 years and up.