Includes
• 1 rail 1.20 m long with pulley;
• 1 standard trolley;
• 1 trolley with spring;
• 2 cart masses;
• 1 set of 10 pasta of 10 g;
• 1 timer;
• 1 stopwatch;
• 1 level;
• 5 spare ribbons;
• 1 pack of carbon paper discs;
• 1 spool of cotton thread.