Wonder Oven Thermal Cooker (Unfilled)


These Wonderbox thermal cookers are unstuffed so you can stuff them yourself with your own filling.  All prices include shipping within the continental US. Others, please email for shipping rates.  We use all new 100% cotton fabric, leave a fill hole in both top and bottom, and include a needle and thread for you to stitch it shut.  Every seam is double stitched for durability.  And your wonder oven MAY be sewn by my daughter (who has had her sewing projects win ribbons at the state fair) so you’re supporting a youth entrepreneur.  I choose the fabric–either “Earth Tones” for you stealth types, or “Something Fun” for you who want a little cheer while you’re using your Wonder box.  Feel free to email me a request like “I love horses” or “Anything but orange” and I’ll try to accommodate your request (no guarantees–depends on fabric availability).  Thanks!

Also see our Building a Wonderbox post and Wonderbox FAQ’s for information on building your own!

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Additional information

Color Scheme

Earth Tone, Something Fun


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