How to make a COIN TRAY.  

 You can make it yourself. Buy the Peanut Glutinous Rice Ball from FairPrice, use the plastic container inside. First, cut the center part of it, and join the both parts. Here you are.

Move the cursor to the picture, Click it, and you can see it clearly.

For Toyota Crown (where you can put the Coin Tray).

For Hyundai Sonata (where you can put the Coin Tray).