It wasn't cheap - about $45.00 - but, see, it's cool. It's way over 20% cooler than ordinary models, and coolness, awesomeness and fun don't come cheap.
Here it is!
So I say thumbs up to the Mighty Jaxx Co. And I recommend their product. They have some that are 4 1/4 inches tall, already put together, and costing about 20 bucks.
Unfortunately, if you want a big one, most of the colors, including clear, are sold out. They still have green and yellow.
They have a lot of other stuff that is even stranger than the Balloon Dog Anatomy Model. Here's something:
Rubber Duckie Anatomy Models! So get on over to Mighty Jaxx and check out the cool stuff.