Is heating wet sand a good idea for bringing in heat?

I have a lot of wood from little sticks and branches that fall off of trees over my yard, but I don't have a wood burning stove to put them into to warm my house. But I started looking on YouTube at videos showing how to make a miniature wood burning stove to use outdoors for things such as cooking or just heating up water or something else. I got the idea of heating up something that could be brought into the house to be used either to heat up a small room, or at least be used as a long…