The Caterpillar strap set can be used by up to 30 people with 5 people per pair. Velcro straps wrap around the ankles of each person and each person is linked together to form a caterpillar. A great fun, non-competitive team activity which develops balance, co-ordination, co-operation and team building. Ideal for novelty events and fun games. Set contains one pair of each colour - red/orange/yellow/blue/purple and green. Not recommended for competitive use.