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- Die-cast metal body with plastic detail
and tweets
Use the colorful blocks to encourage sorting
Our unique glowing body lights up your child’s imagination
ThinkFun Roller Coaster Challenge Puzzle - Die-cast metal body withRoller 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
