Product Detail
K'NEX DoubleShot Roller Coaster Building Set
K'NEX DoubleShot Roller Coaster Building Set Lets you build a dueling roller coaster; more than 1,100 K'NEX pieces; motorized chain lift; color-coded instructions
K'NEX DoubleShot Roller Coaster Building Set
K'NEX DoubleShot Roller Coaster Building Set Lets you build a dueling roller coaster; more than 1,100 K'NEX pieces; motorized chain lift; color-coded instructions