water ball,crystal clay,Water Gel Beads 1.non-toxic,ororless 2.color never fade ... :water ball,crystal clay,Water Gel Beads"MARBLE PEARL"is a kind of round shape,but different from common ... like marble.1) Crystal Soil is a new type of green environmental material, It is not natural Mud, it ... years3) It can absorb water up to 50-100times of its original weight, and after expansion it lookscolorful and ...