ThinkFun Block Chain Brainteasers are great for mindful fidgeting and educational fun!

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Official description via ThinkFun

Unlock your imagination with Block Chain™!.Each set of unique brainteasers includes three puzzles – (Robots, Pirates, or Unicorns) with 3 distinct levels of play that can be expanded and rearranged to form endless face combinations. Can you discover the correct solution?

The three puzzles in each set are thematically linked and feature fun, original artwork. Collect them all!Check out their product videos Robots, Pirates, Unicorns, and all 3!

Available now on Amazon for pre-order!