The best replacement for clay is liston.

The best alternatives to clay are rated as following:
★★★★★  liston
★★★  concrete roof tiles
★★  plastic pots
★★  sand
★★  wax
★★  sonny liston
★★  levi
★★  concrete pavers
★  playdough
★  pomade
★  frick
★  ceramic poker chips
★  wax car
★  daniel webster
★  liston 1964
★  composite poker chips
★  dirt
★  kelly
★  putty hair
★  skeet
★  silt
★  jackson
★  cast iron chiminea
★  hard court
★  grass
  terracotta
  concrete tiles
  webster
  andrew jackson
  wax hair
  william jennings bryan
  play dough
  concrete brick
  concrete roof tile
  diatomaceous earth
  bentonite clay
  rubbing compound
  fat clay
  arsenio
  scoopable litter
  coby fleener
  henry cooper
  damien sandow
  lego
  dennis pitta
  pmc
  lean clay
  grass tennis court
  iron chiminea
  gomi
  ruben
  trap
  rose clay
  clumping litter

Your alternative for clay is not listed? Suggest!
Speaking about clay, one probably shouldn't forget about grog.

Other search terms related to clay and their ratings are:
★★★★★ grog
★★★ firing
★★ baking soda and cornstarch
You have in mind a companion for clay and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of clay in all years. Click on graph for more.
clay
liston
concrete roof tiles