Geoboards are a great tool for math. Plus they are fun for kids to play and explore with. While you could easily purchase a geoboard, why not have a bit of fun and make your own for a little less! So, after seeing the geoboard over at Spinner's End N
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.