Designed for use with the New Age Kurling Target and fully compatible with New Age Kurling Pusher Heads which are great for use by individuals who have difficulty bending down to release or collect the Kurling stones.Each kit contains:4 red stones.4 blue stones.1 carrying case.Plastic compound.3 Steel ballbearings underneath.Stone weight: 130g. Total weight: 10.5kg.Stone dimensions: W18 x H8cm.Bag dimensions: 42cm x 37cm.