Smartivity Mechanical Xylofun Music Fun - Lets make music! The coolest and latest S.T.E.M. Learning based D.I.Y. kit from Smartivity is music to every ear. With this project, children can actually compose their own music tunes. The project includes all the elements required to build a music machine, including pegs for arranging and rearranging notes. Once assembled, children learn about music notations and can compose their own tunes by placing the pegs in different slots. The box also contains instructions for composing two simple tunes and allows children to explore the magical and wonderful world of music. For Ages: 8 years and older D.I.Y. Time: 90 min | Play Time: Unlimited Skills Developed: Analytical Skills, Creativity, Motor Skills, Practical Skills - (includes richly illustrated, easy-to-understand, step-by-step Instruction Booklet)