While in the beginning it was a custom made puzzle made by Anthony Greenhill (in 1999?), in 2008 it became available in an ebay shop for $9,99. The quality of this puzzle made in white plastic is quite OK for the price. Especially the stickers are very thin, which is important to avoid scratches or in the worst case that they are damaged or stripped.
Weight:108g - surprisingly light!
Size: 12,4cm from top to top.