Sportshall event rules are used for this exciting challenge. Core throwing skills are developed and tested using the appropriate resistance weights for each age group. Designed for teachers and coaches these easy to use PAKs contain full event details performance tables and Graduated measuring mats so a full class can be accommodated during one session.Pack contains:1 x 1kg medicine ball1 x 2kg medicine ball1 x 3kg medicine ball1 x durable protective storage/carrying bag