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Heartpost Studio

Stationery Set

Stationery Set

Regular price $9.99 USD
Regular price $11.99 USD Sale price $9.99 USD
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Same magic. No box required.

A complete themed stationery set and kids letter writing kit refill, ready for the child who already has a Little Letter Box and needs a refill, or the child who's just getting started and wants the paper without the whole kit. Either way, it's the same beautiful themed stationery, the same playful stickers, the same little doses of joy in the mailbox.

Pick a theme. Pick a size. Add their name if you want it personalized.

Two sizes to choose from

Basic Set ($9.99)

  • 10 pages of double-sided lined themed stationery
  • 3 themed sticker sheets
  • 3 single stickers

Complete Set ($13.99)

  • 10 pages of double-sided lined themed stationery
  • 10 guided brown craft envelopes
  • 5 themed sticker sheets
  • 5 single stickers
  • 5 wax seal stickers

Make it theirs

Choose With Name (+$4) at checkout and we'll print your child's name on every page of stationery.

Pick your theme

  • Classic Pink — Soft pink florals and little hearts. Always sweet.
  • Classic Blue — Sky blue, sparkling stars, and cuddly friends.
  • Classic Green — Garden green with a little woodland and meadow charm.
  • Animal Mail — Hand-drawn foxes, koalas, highland cows, and elephants.
  • Dino Discovery — T-rex, triceratops, and stegosaurus for the kid who knows every dinosaur name.
  • Magical Creatures — Unicorns, fairies, mermaids, and dragons for big imaginations.
  • Dear Bestie (new!) — Watercolor hearts, nail polish, music notes, and emoji pages, plus "XOXO" and BFF stickers. Made for writing to a best friend.
  • 90's Nostalgia (new!) — Mixtapes, roller skates, smiley faces, and lightning bolts. Totally rad retro mail that parents will love too.

Prefer white paper? The three Classic themes (Pink, Blue, Green) also come with plain white paper instead of colored. The stickers, seals, envelopes, and stamps stay themed either way. Just pick "Classic Pink (White Paper)," "Classic Blue (White Paper)," or "Classic Green (White Paper)" from the theme dropdown.

Two ways to use it

As a refill: sized to refill any Little Letter Box. Never run out and sign up for Subscribe & Save to receive a recurring delivery at 15% off!!
As a standalone gift: a sweet, low-stakes way to give a child a stationery moment without the full kit. Great for stocking stuffers, lunch box surprises, and "just because" mail.

Best for ages 5 to 15

Packed by hand in California. Ships within 3 business days.

Our promise: if anything about your order isn't right, we'll make it right — a replacement, refund, or store credit, your call. Just write to us.

  • 5 stars: 6 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
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bethmcel

I am thrilled to give this gift to my daughter. Her name was spelled correctly, and this whole set just spells quiet fun. I forgot to include the stickers in my picture which are every bit as adorable as the rest of the set. Highly recommend for a young happy mail enthusiast!

K
Kathleen

We also ordered the Grandparent/Grandchild box set, but wanted to add this packet because the theme looked like so much fun. Let me tell you that when our granddaughter called us after receiving her surprise kits today, she was VERY happy with the kits. This was a huge hit. Thank you!

K
Kathleen

This was such a fun surprise for my granddaughter! I just got a call from her and she was busy going through her new packs and checking everything out. I told her that if she writes to me I will be her penpal. She looked excited so I am hoping she writes. With the cute paper, fun stickers and enticing wax seal, I’m pretty sure she will. Fingers crossed! Thank you so much for this fun opportunity!

M
Mary

Darling! Great gift, love how unique and original the design is!
Looking forward to ordering again!

S
Shannon

Amazing quality! Shipped quickly. My niece loooved her stationary. Such a wonderful idea for kids.

A
Angela

Such cute items and arrived quickly!