Loop-The-Loop ThinkFun Rollercoaster Challenge Replacement Track 5 Piece Set

Loop-The-Loop ThinkFun Rollercoaster Challenge Replacement Track 5 Piece Set The Loop-The-Loop ThinkFun Rollercoaster Challenge Replacement Track 5 Piece Set is a yellow set of track pieces for the ThinkFun Rollercoaster Challenge game, released in 2017. These track pieces are used as game pieces in constructing and completing the rollercoaster challenges within the game. Nice Preowned -- See Photos