You can freeze:
plastic of rubber toys
small chunks of chicken or beef
jerkey treats
basically anything that won't dissolve in the fluid.
Have fun with it. They will love it too.
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See life differently.
Re-invent the impossible.
~Lori
Loretta Sinclair
www.SinclairInkSpot.com
http://www.sinclairinkspot.com/the-impossibilities-blog.html