We’re all familiar with those musical greeting cards. Give the Hallmark store $10, and you have a card with a microcontroller inside that plays one of several songs available. [Jarv] was playing ...

Love them or hate them, musical greeting cards will almost always bring a smile to someone's face, but the smile might be widened a bit if you create your own music and card. Blogger Jarv shows his ...

Here at Grist we are working on ways to Shift the Gift. Should that include Shifting the Card? Let us ponder. It’s quite something, the image of you disemboweling the cards your loved ones have so ...

Ah, musical birthday cards — some find them fun; some find them annoying. But for one baby, they're absolute musical magic.The baby in this clip received her very first one for her very first birthday ...

Or you could wait three-plus hours for the battery to finally run out. The "Joker Birthday Card" created by California brothers Nick Peterson and Travis Peterson plays a birthday song continuously ...