Learn to make, install and color realistic rock formations. The kit contains enough product to make four to five rocks.

Hydrocal^® is a registered trademark of U.S. Gypsum. 

• Kit includes:

  • Lightweight Hydrocal^® - 18.5 oz (524 g)
  • Earth Colors^™ Liquid Pigment (Yellow Ocher, Burnt Umber, Black) - 0.135 oz (3.99 mL) each
  • Plaster Cloth - 8 in x 36 in, 2 ft² (20.3 cm x 91.4 cm, 18.5²dm)
  • 1 Rock Mold
  • 1 Foam Applicator
  • 1 Stir Stick