Build a fully functional tabletop pinball machine with this Smartivity kit! Score points and challenge friends just like the real arcade version. Made from high quality, re-engineered, laser cut wood. Mess-free assembly using rubber bands, no glue or screws required. Plenty of thrills and action with real working paddle flippers and scoring options.Details:Learn about levers, momentum transfer and energy transferFor ages 8 and upContents:172 loose building parts23 colorful balls5 pop-out wooden sheets1 printed wood sheet