If you have any questions, please let me know and I'll try to answer them.
For my carded Hotwheels, I use this method to display them:
https://www.youtube.com/watch?v=8urWMQpYO4k
0:00 Intro
0:54 Materials and Tools needed
2:40 Wood recommend
3:08 Planning & Customizing
5:06 Finished product
6:16 Different size
6:43 Conclusion