ThinkFun Roller Coaster Challenge M&D_Trains Made of plastic for a

Made of plastic for a safe and lightweight build

and a rotating skewer

These accessories work great on their own or as part of the OG Cinema Movie Theater Set

5cm x 6cm x 10cm

ThinkFun Roller Coaster Challenge M&D_Trains Made of plastic for aRoller 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