Therefore I'm really grateful for wood stains!
Here is a easy as can get slat mat. If you do an online search you would find many slat mats with colors and almost all are drilled.
This is so simple it is just right for a beginners project
Step 1: Materials
Sheet of rubber
wooden slats cut to equal lengths ( mine is 20" x 1" x 3/4")
wood stain ( oil or water based)
clear polythene varnish