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It's time to start building
the dentist will see you now
Play Any Way: Nibble on them
Use the colorful blocks to encourage sorting
- Die-cast metal body with plastic detail
ThinkFun Roller Coaster Challenge Puzzle It's time to start buildingRoller Coaster Challenge is one of ThinkFun's most popular stem toys for boys and girls and was a Toy of the Year Award Finalist in 2018. It's a logic game and roller coaster building set that comes with 60 challenges of increasing difficulty, from beginner to expert, and makes a great birthday or holiday present for kids who like smart games and challenging activities. Roller Coaster Challenge is a fun brain teaser puzzle made with high quality
