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Browse our heart-trainer collection — designs from independent artists across the threadless.mommunity. Every piece is artist-led, sold direct, and produced on demand.

  1. STRANGE PLANET SPECIAL PRODUCT: I FOUND THIS IT'S VIBRATING
    STRANGE PLANET SPECIAL PRODUCT: I FOUND THIS IT'S VIBRATING by nathanwpyle1982
  2. Lying Cat
    Lying Cat by sagacomic
  3. the spookitties
    the spookitties by poorlycatdraw
  4. Tokyo Zoo
    Tokyo Zoo by DinoMike
  5. The Auryn (Color Version)
    The Auryn (Color Version) by HabbyArt
  6. MY BODY IS IN DECLINE
    MY BODY IS IN DECLINE by nathanwpyle1982
  7. Still Caring
    Still Caring by HabbyArt
  8. Ghost Of Disapproval
    Ghost Of Disapproval by obinsun
  9. Mister Mittens' Big Adventure
    Mister Mittens' Big Adventure by speedyjvw
  10. Felix the cat vintage
    Felix the cat vintage by rocketmantees
  11. AIMLESSLY
    AIMLESSLY by nathanwpyle1982
  12. Lost in Glitch
    Lost in Glitch by digitalcarbine
  13. I Love Being Around You
    I Love Being Around You by nathanwpyle1982
  14. STRANGE PLANET SPECIAL PRODUCT: DIFFICULT DAY YET I MAINTAIN COMPOSURE
    STRANGE PLANET SPECIAL PRODUCT: DIFFICULT DAY YET I MAINTAIN COMPOSURE by nathanwpyle1982
  15. Flock of Birds
    Flock of Birds by radiomode
  16. Coffee Cat in Mt. Fuji
    Coffee Cat in Mt. Fuji by vincenttrinidad
  17. STRANGE PLANET SPECIAL PRODUCT: PURSUE YOUR SEMICONSCIOUS FANTASIES
    STRANGE PLANET SPECIAL PRODUCT: PURSUE YOUR SEMICONSCIOUS FANTASIES by nathanwpyle1982
  18. STRANGE PLANET SPECIAL PRODUCT: I AM A BEACON OF JOY
    STRANGE PLANET SPECIAL PRODUCT: I AM A BEACON OF JOY by nathanwpyle1982
  19. Retro Hoth
    Retro Hoth by rocketmantees
  20. Cat Tree
    Cat Tree by tobefonseca
  21. Recipes For Children
    Recipes For Children by stevenrhodes
  22. Y'all Need to Read More Books
    Y'all Need to Read More Books by wasabisnake
  23. Prehistoric Monster Japan Mount Fuji
    Prehistoric Monster Japan Mount Fuji by rocketmantees
  24. I CAN LOSE INTEREST
    I CAN LOSE INTEREST by nathanwpyle1982
  25. Capture the Moment
    Capture the Moment by HabbyArt
  26. Barad-Purr
    Barad-Purr by jpmcdade92
  27. Planets camping
    Planets camping by wawawiwa
  28. EXISTENCE IS TERRIFYING ICON
    EXISTENCE IS TERRIFYING ICON by nathanwpyle1982
  29. Ah The Element of Surprise Project Hail Mary
    Ah The Element of Surprise Project Hail Mary by rocketmantees
  30. We've Got Some Work To Do Now
    We've Got Some Work To Do Now by alternate persona
  31. Riot
    Riot by TeoZ
  32. Worship Coffee
    Worship Coffee by stevenrhodes
  33. West Virginia Icon
    West Virginia Icon by nathanwpyle1982
  34. Worry Later
    Worry Later by TeoZ
  35. STRANGE PLANET SPECIAL PRODUCT: RECREATIONAL DECEPTION
    STRANGE PLANET SPECIAL PRODUCT: RECREATIONAL DECEPTION by nathanwpyle1982
  36. The Great Retro Wave
    The Great Retro Wave by vincenttrinidad
  37. Black Hole Glitch
    Black Hole Glitch by digitalcarbine
  38. STRANGE PLANET SPECIAL PRODUCT: ELEVATED HANDSLAP
    STRANGE PLANET SPECIAL PRODUCT: ELEVATED HANDSLAP by nathanwpyle1982
  39. Ahhhhh. Time to Relax. (Color Version)
    Ahhhhh. Time to Relax. (Color Version) by HabbyArt
  40. The Horde
    The Horde by aled
  41. Blue Jay
    Blue Jay by ThePaperCrane
  42. HEARTLESS
    HEARTLESS by ounom
  43. Birds Of A Feather
    Birds Of A Feather by arzie13
  44. Meowntains
    Meowntains by kooky love
  45. Vintage Halloween
    Vintage Halloween by camillechew
  46. Freddie Mercury
    Freddie Mercury by Wirdou
  47. Ghüs
    Ghüs by sagacomic
  48. Woodpecker's Jenga
    Woodpecker's Jenga by goshwowartwear
* Comparison prices are references to regular retail prices of the same or similar items in Artist Shops or at third party retail locations. Savings may vary over time.