DIY Peddle Mat. Pebble mats can be made into table runners, place mats, trivets, doormats, etc. The possibilities are endless. Step-by-step instructions. If a pebble comes loose (which will happen occasionally) just hot glue it back in place.
To make a river stone mat first you have to gather or purchase river stones. After that take a plastic mat and arrange all the stones on it. Then stick all the stones one by one to the plastic mat by using silicone sealer. Let the sealer dry completely and voila!