SV, you have to supplement them with the "build it" bricks packs to keep them together. You can pick them up in multiple colors at $1 stores sometimes 3 for a buck.
I'm pretty sure that we could put together a custom vehicle for a cost of about 5$ per unit bagged (that would stay together) which means that it could sell for as little as $8 - $10. Instructions would likely be a black and white sheet of paper...
Not sure that there would be any interest in this anyway. There would have to be preorders for it, because unsold units could make it a money loser.
Though I *am* really interested in the jetpack idea (or any other small one piece vehicle) and I think that loop could pull off the sculpting.
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