Is this the one you got:
https://www.amazon.com/gp/aw/d/B004RB8Y7Y/ref=ox_sc_act_image_1?smid=ATVPDKIKX0DER&psc=1
Yes, that is it! It is very solid and they all fell right out.
Now I need a medium dense recipe!
I still might have mom give them to her friends because they could still use them as decorations. They have a great flavor but Im afraid they might be, um, earthquake proof homes. Possible bomb shelters...