Just press the green flag and let it do its thing. Maybe don't go in full screen..
Grass - Basic Crumbling Block Dirt - Basic Crumbling Block Stone - Basic Crumbling Block Explosives - Doesn't crumble, but explodes. Tree Stump - It only falls if the block below it crumbles or if it is blown up by an explosive. Tree - It falls if the block below it crumbles or if it blown up but the blocks that it touches also start crumbling. (Idea from CatCatDeluxe) Give me some more ideas for blocks!
