These cards unfold to reveal a weekend's worth of activities, which makes them ideal for weddings with multiple events.

You won the lottery when you found each other, so send this cheeky save-the-date card to let guests share in your luck. After scraping off the paint with a penny, they'll hit the jackpot: your wedding date!

Give texture to your save-the-dates by constructing fabric characters to add to your announcement.

These charming save-the-dates prove good news can come in small packages, too.

For a twist on plain old save-the-date cards, take shots of someone knotting a cord and holding a sign that says, "We're tying the knot; please save the date," and turn them into flip books. Companies like Flip Clips will make these for you if you don't want to assemble the books yourself.

Whether it's a folded calendar, a mini version, a single page, or a simple sentiment on kraft paper, these ideas are hard to forget.

With its graceful calligraphy, this letter captures the romance of a love note from another era, but with a contemporary twist: It folds into its own origami-style envelope.

Pose for the camera spelling out love with your fingers for a sweet photo to send along with your save-the-date card.

These calendars make a more substantial reminder than a simple save-the-date card. Have your stationer print the cards, or do it yourself on your computer.

Open this card, and the details (literally) come spilling out.

To create these custom paper blocks printed with your wedding date, download the clip art, then send it for printing.

These two America-happy postcards put your big day -- and your personal touch -- on display.

This paper plane is playful and hip (use our online clip art for the plane and the envelope liner), and the response will be pure childlike glee.

When guests spin the bottom portion of this interactive compass-inspired card, they'll see all the activities you have planned for the big day.

Save-the-date information is printed in blue on these curious cards, and then a red squiggle design is printed over them to obscure the announcement. When guests use a red lens to decode and read the card, the big-day details become clear.

This poster-like message is off the charts when it comes to cool and doubles as a keepsake for your guests.

When guests twist the strings on this handmade spinner and pull, it creates an image of a heart that's been pierced by Cupid's arrow.

Photo booth pictures, magnets, or the dreams of a schoolgirl who practiced writing her married name in her notebook all make great themes.

These bookmark reminders were printed on lightweight card stock, five per sheet, and trimmed to 2-by-7-inch strips. Punch holes; add store-bought tassels. Mail in glassine envelopes with card-stock inserts bearing the address.

Personalize informative adhesive labels to send guests a reminder that's sure to stick.