Burr

(IPP XLIII) Castle Tower
# Burr Puzzle
+Burr
10 Segment Burr
12-Piece Altekruse
139 Burr
14 Segment Burr
16-Piece Burr
18 Piece Burr : Figure 8
18 Piece Wooden Puzzle
2 & 2
2 IN 1 Burr
2 in 2 with Frame
2&2 Burr
20 Lock
24 Lock
24/2 Burr
25 Piece Burr
3 4 5  burr
3 Identical Piece Burr