I just added "no-melt" sparkleball instructions to www.sparkleball.com. Perhaps that would work better for TJ. You use the softer plastic (Solo or Solo-style) 9oz cups and zip-ties. Check it out.
I finally posted instructions for making the sparkleheart. Sorry it took me so long. I plan to add photos as soon as I can. Go to <http://www.sparkleball.com/heart.htm> (copy and paste in your browser if link doesn't work) and Happy Valentine's Day! ... View related article.