Brain game EUREKA Sink or Swim

Welcome to sink or swim, The ultimate pool party and a cool way to refresh your brain after a hard day at work or school. Fifty invigorating challenges spread over five levels of difficulty will keep even the most enthusiastic brainteaser puzzle fan waterlogged for days! If your brain starts to sink, don't panic. A complete sequential move solution for each challenge is included. 50 challenges! So, what are you waiting for? Dive in. Contents: swimming pool, 14 puzzle pieces, challenge booklet with instructions and solutions.