Slumpy's

10/29/2026

Are you ready for a Ghost Hunt?! 👻👻👻

We spotted 3 ghosts across our site, each worth 5% off your order! Round up all three and add them to your cart for 15% off! Search fast though, these spooky fellas are going to disappear on Halloween (October 31) at midnight! 🕷️


✨ Offer ends midnight. Discount will be applied after the order is submitted. Order $450 after all discounts have been applied in order to receive free shipping with the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

10/26/2026

Glass artists: what’s your favorite thing to make?
✨ Bowls & plates
✨ Home decor
✨ Jewelry
✨ Garden art
✨ Something completely different!

10/25/2026

👻 Bargain Basement BOO-nanza Sale ends TODAY! 👻 Shop Slumpy's October 25th to save 75% off our Bargain Basement items while supplies last.✨ What will you create?

Featured Mold: SM-9452 Conner Plate Mold


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping with the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

10/23/2026

👻 Bargain Basement BOO-nanza Sale! 👻

Who doesn't love 75% off? If you LOVE discounts (and we know you do 😉), shop Slumpy's October 23-25 to save 75% off our Bargain Basement items.✨ Shop now! While supplies last!

Featured Mold: SM-9451 Conner Plate Mold


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping with the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

10/22/2026

If you could spend the entire day in your glass studio with no interruptions, what would you make?

10/21/2026

Create a beautiful piece of glass art using glass pens and paints! 🎨 https://loom.ly/216eH30

Thank you to glass artist, Barb Byrne, for this floral inspiration! 🏵️ Have you created a glass piece using glass pens or paints? We'd love to see your work in the comments!

10/19/2026

💀 It’s ALIIIIVE… with savings! 🧟

Our Scary Savings Sale is here — get 25% off stainless steel molds October 19-20 only! 🧙‍♀️✨ No tricks, just terrifyingly good deals for your glass studio. 🕸️

Featured Mold: SS-726 1.5" Diameter Bud Vase Draper


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

Welcome to Slumpy's, the Glass Mold Company. More than just offering glass slump molds, we offer warm glass, glass tools, and warm glass supplies.

10/17/2026

Hey friends! 👋 Just a heads up, our website will be down for maintenance tomorrow, October 18, from 3am - 4am EST. Please note, you will be unable to place orders during this time. Thank you for understanding! 💛

10/15/2026

🎃 Festive Fusing Days at Slumpy's! 🎃 Enjoy 20% off frit, frit molds, buffalo chips, and pot melts October 15-16! How are you getting into the festive spirit? 🎄


✨ Offer ends midnight EST. Order $150 after all discounts have been applied in order to receive free shipping within the contiguous USA. Free shipping only applies to Ground shipping. Some exclusions apply and may not be combined with other offers. ✨

10/14/2026

This draped glass project is giving us allll the fall vibes. 🍁 Use Carolina Frit to create awesome texture on your glass pieces! https://loom.ly/mqK2SCE

Featured Mold: SS-813 Super Alessandria Former