♦ Your child can build their own roller coaster with this cool set! It has 753 individual pieces and you can make your own custom designs or follow the easy step-by-step instructions. You can design a low coaster or a big one, up to 3 feet high! Create exciting twists, turns and dip. Features: ♦ Engineer your own roller coaster and create exciting twists, turns and dips ♦ You have the ability to design a low coaster, or build up to 3 feet high. ♦ Uses real motorized parts to propel cars ♦ 753 individual pieces for custom designs. ♦ Comes with easy step-by-step instructions Specifications: ♦ Brand: Discovery ♦ Age: +8 Years