DIY Watermelon window box interchangeable, Make your own summer decor

This summer inspired window box insert is an amazing craft.
This DIY window box insert comes with the watermelon insert and the sweet summer plate.
The watermelon insert - 8.6x6.1 inches.
Sweet summer insert - 9x2.85.
Made with great quality birch wood.
Window box can be found here -
https://laseronthehill.etsy.com/listing/4467214386
https://laseronthehill.etsy.com/listing/4471870050
I cannot guarantee these inserts will fit in window boxes from other sellers. Because everyone sells different wood that may come in different widths.
All of the wood used in this project is 1/8 inch thick.