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How to Make Plastic in Infinite Craft

Checked in the game in October 2026

Plastic is one of the longer material recipes because it mixes sea life with pollution. Ocean and Water give Fish, Earth makes the Fish a Whale, and a Plant beside the Whale turns into Krill. Separately, Fog meets Dust to become Smog. Combining Krill with Smog is the strange final step, and the game answers with Plastic.

Quick answer

Krill+Smog=Plastic

Combine Krill and Smog to get Plastic.

Full recipe from the four starting elements

11 combinations, each uses only things made earlier.

  1. 1
    Earth+WaterPlant
  2. 2
    Water+WaterLake
  3. 3
    Lake2+WaterOcean
  4. 4
    Ocean3+WaterFish
  5. 5
    Earth+Fish4Whale
  6. 6
    Plant1+Whale5Krill
  7. 7
    Earth+WindDust
  8. 8
    Fire+WindSmoke
  9. 9
    Smoke8+WaterFog
  10. 10
    Dust7+Fog9Smog
  11. 11
    Krill6+Smog10Plastic

Tip: Keep the Whale and the Fog: Whale shows up in Dolphin and Baby, and Fog leads to Mushroom and Ice. Plastic + Calendar gives a Credit Card.

What to make with Plastic

CrystalGlass + Mountain5 stepsCoalDiamond + Fire5 stepsObsidianLava + Stone3 stepsPaperWater + Wood5 stepsBrickFire + Mud3 stepsClayEarth + Mud3 stepsOilFossil + Water5 stepsWoodDust + Tree4 steps

All 179 recipe guides →