Snowdome.net DIY Snowdome kit Screw type 3.3inch Black PET/Plastic (with English instruction manual) Size spherical SnowGlobe (PET soft plastic) base (plastic) at the time of completion (approximately): Diameter 3.3inch(85mm) (1) a transparent PET ball, base (2) Black, this kit is a set of (and Screw rotating the PET sphere) (3) rubber cap Doll exclusive powder of the contents are not included. You need to be prepared separately. There is a material that need to be purchased? 10 years old or older age.(not glass)Be used under the guidance of adults)