2KG, CT, Cookie cars on Top cake

This would be 2KG, Chocolate Truffle cake covered in buttercream, with cars and age number (with sprinkles on the number) in sugar cookies and the car in edible print on cookies and sprinkles around the bottom wall, buttercream kisses and 2 real macaron as per the image.

few more things on this :

1- Make the cars in different colors like yellow and red

2- Keep the sprinkles as blue

3- The message - “Two Fast” (on the wall in print) and Happy birthday on the cake board in cut out

4- Names " Achyut " and " Anant " (on top together in print standing)