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Letters for later
First birthday time capsule: letters to open at 18
How to run a first birthday time capsule, what to ask guests to write, wording for the invitation and example messages for letters your child opens at 18.
Their story,
in your words.
in your words.
Ask each guest for one short letter, give them a prompt so nobody stares at a blank card, and decide before the party who will keep the box. The letters matter far more than the objects.
How a first birthday time capsule works
Guests write a note to the birthday child during the party or bring one with them. The notes go into a box with a few items from the year, and the box is sealed until an agreed date. Eighteenth birthdays are the most common choice; some families open at sixteen, at graduation or at ten and then reseal.
Tell people in advance. A guest who knows about the capsule a week ahead writes a better letter than one handed a pen next to the cake.
At eighteen they will read the handwriting before they read the words.
Wording for the invitation
Add two or three lines to the invitation so nobody is surprised.
“We are making a time capsule for Ava to open on her 18th birthday. Please bring a short note for her: a memory, a wish or a piece of advice. Cards will be at the party if you would rather write there.”
For relatives far away: “If you cannot join us, send your letter by post or record a short message and we will add it to the capsule for you.”
Prompts to print on guest cards
A prompt on each card gets you specific letters instead of twenty versions of “Happy birthday, we love you.” Print one per card and let guests choose.
- My first memory of you is…
- Today you were wearing… and you spent the party…
- Something your parents do not know I noticed about them this year…
- The thing I hope you inherit from your family is…
- By the time you read this, I hope you have…
- One piece of advice I wish I had been given at 18…
- A song, film or book from this year you should look up…
- If you ever need me, here is what I want you to know…
Example guest messages
From a godparent: “Dear Ava, You are one today and you spent the party trying to eat the wrapping paper. I promised your parents I would be the adult you can call when you do not want to call them. That offer has no expiry date. Love, Jo.”
From a grandparent: “My dear Ava, I rocked your mother in the same chair you fell asleep in this afternoon. By the time you read this I will be very old or a story. Either way: you were adored from the first minute. Nana.”
From a cousin, aged seven: “Dear Ava, you are a baby. I am teaching you to high five. When you are 18 I will be 24. From Leo.”
What to put in besides letters
Choose flat, dry, durable things that say something about this particular year.
- A photograph of everyone who came, with names written on the back
- The invitation and a party napkin or hat
- A handprint or footprint
- A list of first words, favorite foods and nicknames
- The outfit they wore, in a sealed bag
- A receipt or price list from this week
- The front page of a newspaper, kept in its own sleeve
- A letter from each parent, written separately
What to leave out
Skip anything that degrades or leaks: food, balloons, batteries, rubber bands, newspaper touching photographs. Do not rely on a USB stick or a phone as the only copy of a video. Storage formats change, and a drive that sits untouched for eighteen years may not be readable.
Include the people who cannot be there
Many first birthdays now have more loved ones watching on a screen than standing in the room. Give distant grandparents, aunts and friends the same prompt and a deadline a few days before the party.
A voice recording is worth asking for. A grandparent reading their own letter aloud keeps the accent, the pauses and the laugh. In Everlittle, an invited relative can add a letter, a photograph or a voice note to the family archive from their own browser, and you can keep those contributions in a capsule with an opening date.
Sealing it and keeping it safe for 17 years
Write the opening date and the child’s full name on the outside. Store the box somewhere dry and stable in temperature, such as a wardrobe shelf. Lofts, garages and basements are hard on paper.
Photograph or scan every letter before sealing. It takes ten minutes and it is the difference between a keepsake and a single point of failure. Tell one other adult where the box and the copies are kept.
Keep one detail from today.
Start with a sentence, a photo or a familiar voice.