MegaFun USA 58-Piece Marble Fun Run with Mega Marbles MegaFun's Marble Fun Run is educational, interactive play for the entire family Use your creativity and imagination to build many different Fun Runs for hours of STEM entertainment Boxed set includes 43 brightly colored pieces, 15 glass Mega Marbles and a set of instructions Meets and exceeds US toy safety standards, and is made with phathalate-free plastic Recommended for ages 4 years and up; Package dimensions: 11.3'' H x 9.75'' L x 4'' W