This set includes all the tools and components needed to help develop engineering skill and enhance creativity while having fun.Science - Technology – Engineering – MathematicsStanley Aircraft Construction Kit,161 PiecesTools IncludedActual box size (approximately) 12 inches x 10. inches x 1.875 inches. (Shipping box is larger)Skill level: for children 5 and above.Choking Hazard: Small Parts, not for children under 3 Years