Creator 3 in 1 sets come with instructions for three different models from the same bricks, built one at a time. The trick is in the design. Every part has to work in all three models, so the tiger of 31129 Majestic Tiger also builds a panda and a koi fish, and many builders keep the parts from a set as a starter supply of ordinary bricks.
3 in 1 was introduced in 2006 and currently consists of 252 sets. As of today,
4997 Transport Ferry is the most valuable 3 in 1 set with an estimated new/factory sealed value of $312.
Summary
Creator 3 in 1 Mini Sports Car set 6910 was released on November 11, 2011, retailing for $6, it has since been retired. New, unopened sets are valued at $11, while used sets sell around $2.
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