Some varieties are as small as coins, while other may grow several feet in height. 스펀지는 평평하거나, 매끈하거나, 가지가 있거나, 거칠거나, 부드럽거나, 가시가 있을 수 있습니다. They may also be shaped like cones, spheres, or tubes and colored red, yellow, green, blue, or almost any other color imaginable.