Use your hands to knead all three colors of clay, and then form into individual balls. Now press white clay into small dish to help form shape.
Separate green clay into 3 pieces, one large and two small and roll clay into cylinders.
Attach small pieces on the sides of large pieces. Use end of a toothpick to connect and smooth out where it connects.
Put half a Toothpick in the bottom of cactus and stick in the center of white dish. Use end of toothpick to attach and smooth out the base of cactus to white dish. Use toothpick to poke small dots all over cactus.
Pull off small pieces of light green clay with toothpick, roll into ball then pick up with end of toothpick and poke into cactus.