Countdown Surprises:The Countdown to Christmas is an exciting time for children. The Christmas advent calendar for kids 3 4 5 6 7 8 9 10 11 12 year old has fun surprises hidden behind 24 doors. Enjoy Collecting & Pull-Back Fun:There are 6 types of sports cars in the Advent Calendar - 4 Sports Cars, 2 Policemen Cars, 2 Ambulances, 4 Fire Trucks, 4 Sanitation Vehicles, and 4 Engineering Vehicles - all in different styles. By pulling back the accumulation of force, release the sprint car. Upgrade Gameplay:Flying chess map & dice, more fun through playing the game and competing to decide who will open the box. Safe Material:All cars are made from alloy material, sturdy and durable. Pass US Standard ASTM and CPSIA certification, in line with US toy standards. 2022 Gift Idea:This calendar car toy is a fun way for the kids to countdown the number of days until Christmas. It's an exciting idea for Christmas gifts for all boys and girls.