The burr contained in this cage managed alone is an easy one, but when you tray to assemble it into the cage...

• Pieces

7 (pieces #52, #1007, #1024, #256, #1024 and #888). The burr has 8 internal voids.

• Solutions

The Uncaged pieces fit 10 diferent ways relatively easy (2 solutions with level 1.2.1.1.1.1; 7 solutions with level 2.1.1.1.1.1; and 1 solution with level 3.1.1.1.1.1).

With the cage there is only one solution with level 4.6.3.4.1.2.