Digital invitation: friendly Frankenstein Halloween party

Three carved pumpkins on the garden table, a line of lanterns in the fig tree, a paper Frankenstein taped to the gate. That's the photo you want at the top of the page. A digital invitation is a web page you build yourself: you pick a design from the catalogue, write the names and the time, and send the link this afternoon. No printer, no envelopes, no queue at the stationery shop.

The rest is detail, and detail is what gets a yes from the parent of a four-year-old. Here's what goes on a Frankenstein-style digital invitation for a Halloween tea in the garden with children aged three to six, and what should stay off it.

The Frankenstein that won't scare a three-year-old

Go for the friendly face: square head, two round bolts at the neck, big eyes, crooked smile. Skip the realistic scars and the red drops. At four, that isn't scary, it's upsetting. Mint or pistachio green works better than bile green, and a dark background with a few small pumpkins does the Halloween work so the monster's face isn't the only thing on the page. If the design carries a line, make it a welcome.

• Big eyes, two round bolts at the neck, a crooked smile. No scars, no stitches, no red drops.
• Mint or pistachio green on a dark background, with three or four small pumpkins around the edges.
• 'Come in, there's cake' beats 'I'll be waiting in the dark'. The mystery sits in the tone, not in the fright.
• Set the invitation in the language the children read at school: the site runs in seven, and the text inside the invitation can be configured per language.

Five o'clock first, then the monster

Five in the afternoon in the garden is the most important line of the brief. With three-to-six-year-olds, a seven o'clock start means tea after dark and children collected in pieces. Put the time next to the date, in the biggest field you have. And don't write 'my house': write 'garden, 14 Nou Street, green gate'. A parent who has never been needs an address they can read one-handed while holding a child with the other.

One line of logistics saves ten messages: 'Bring a small torch, we're eating outside.' Put it in the phrase field and stop answering WhatsApp at eleven at night. Digital invitations are editable for exactly this reason: change the time or the meeting point and the link stays the same. Everyone sees the new version, and nobody has to be sent anything twice.

The invitation has done its job when the first child rings the bell and already knows the hour, the name and which green gate to walk through.

How to create a digital invitation with one name per child

Write each child's real name, Laia, Biel, Joana, Nil, instead of 'family'. When a five-year-old finds their own name on the cover, the page stops being an adult's message and becomes theirs. The editor counts characters for you, so test the longest name in the group, the 'Maria Mercè' case, before you publish and nothing wraps onto a second line.

If a parent wants to flag something, a nut allergy or a child who won't touch cheese, they can put it in the answer to a question you add to the RSVP form yourself. It stays in one place instead of scattered across three chat threads. And if a grandparent wants paper, print four copies. Everything else goes by link.

What your Halloween invitation should leave out

No blood and no real frights: if the text genuinely scares someone, parents of three-year-olds don't confirm. No costume list on the cover either, one line at the end is enough, 'come in your favourite costume'. And no form fields that turn a garden tea into paperwork. Name, how many children, and you're done.

Picture the garden at five: three carved pumpkins on the table, dark cloth, lanterns lit, a cardboard Frankenstein grinning at the gate. When the first child rings the bell, the invitation already did its work. Build the page today and the confirmations are waiting for you tomorrow.