Earth Day Play Dough Mat for Kids - Earth Day Play Dough Mat Materials needed: Green commercial or Homemade (omit the peppermint in the recipe and substitute green food coloring for the red) Play Dough and one Earth Day Play Dough Mat (linked above) for each child. Print the play dough mat for the children and laminate or cover with clear contact paper. Have the children cut the circles out. … [Read more...] about Puffy Paint Earth, Wikki Stix© Earth Layers, and a Play Dough Mat for Kids!