Note: Sand or stell balls are not included.Note: This product consists of small parts which can be a chocking hazard. Keep away from children under 3 years. This is the 'Squid Game 2' 'Gong-gi' stone designed to be as similar to the original as possible. It is designed so that you can put sand or small stones inside the 'gong-gi', just like in Korea. Try using it by filling the inside with about 2/3 of sand or steel balls! Material: PLA plastic Created with 3D technology. Package includes: 1 x Squid Game 2 Gonggi & Case