Trusted By Parents, Loved By Children in 24 Countries (incl USA, Europe): Non-Toxic & Safe, Imported Pine Wood, \"NO SPLINTERS\" so that your Child is Protected;Children Learn Best Through Play: Smartivity helps in Brain Development of your child with STEAM Concepts based game/toy with Real Moving Parts & MECHANICAL ACTIONS;Designed by IIT Alumni in Collaboration With Children: Evaluated and approved for Construction, STEAM Learning and Fun Quotients by Smartivity STEMNinjas;Best Gift for Kids 8-14 yr girls & boys: Build, Play, Learn,115 Parts,BUILD TIME: 120 min, STEM Concepts: Aerodynamics,Momentum Transfer & Momentum Transfer