Snowdome.net DIY Snowdome kit Glass M size (with English instruction manual) Size spherical snow dome (glass member) base (plastic) cap (rubber) at the time of completion (approximately): Diameter 2.3inch(60mm) (1) a transparent glass ball, base (2) Brown, this kit is a set of (and snap the glass 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? 15 years old or older age (including glass member. Be used under the guidance of adults)