There are two goals to the Cast Nutcase created by the Dutch puzzle inventor, Oskar: 1. Remove the small nut by disassembling the Cast Nutcase. 2. Cast puzzle enthusiasts (nutcase) can enjoy trying to change the wording on the bolt from 'nut-case' to case-nut'.

The key word is "interlocking".

• Package Size: 75*119*45 mm
• GWT: 99g
  
• Measurement: 0.028 CBM
• Difficult Level:
• Creator: Oskar van Deventer
• Launch Date: Oct 2006