Birthday cake pop-up sponge in its package from Yarnable
Flat birthday cake shaped pop-up sponge printed with Happy Birthday
4.96 from 164 reviews on Judge.me

Home & Kitchen

Birthday Cake Pop-Up Sponge

$2.50

Just add water and let the party start. This birthday cake sponge from Yarnable arrives flat as a card, then pops up the first time you wet it, with "Happy Birthday" in rainbow letters and ready to scrub.

Flat-rate $7 shipping on all US orders

Just add water and let the party start. This birthday cake sponge from Yarnable arrives flat as a card, then pops up the first time you wet it, with "Happy Birthday" in rainbow letters and ready to scrub.

Hand-dyed in New Hampshire
Easy 14-Day Returns
Made for makers, by makers
Ethically sourced

More Hidden Gems

Little treats for between rows

Verified reviews

Rave reviews in every hue

“Love the yarn and have had so much fun knitting it up!”
Elizabeth D.Verified buyer
“The colors are very vibrant and saturated, the yarn is so squishy and soft. I wish I crafted faster so I could make all the things faster.”
DavaVerified buyer
“I love everything I purchase from Hypnotic Yarn. I love the bright bold and saturated colors, especially the hot pink, turquoise, bright purple.”
Rose H.Verified buyer
“Fast shipping, quick communication and wonderful customer service! I have never had a problem with my orders from Hypnotic!”
Carrie P.Verified buyer
“Cheryl, Jess and her entire team are wonderful, their yarn is gorgeous and so soft! Highly recommend!!”
Laurie B.Verified buyer
“The best hand dyed yarn around! Smooth and soft, plush and durable! Pretty no matter what color you choose!!!”
Rebecca B.Verified buyer