The circulatory system online puzzle

3x4 - 12 pieces5x7 - 35 pieces6x9 - 54 pieces7x11 - 77 pieces8x12 - 96 pieces9x14 - 126 pieces10x15 - 150 pieces11x17 - 187 pieces18x27 - 486 pieces26x39 - 1014 pieces Start a new game

By arranging these puzzles, you show us that they are worth showing to more visitors. Until they become more popular, they are partially hidden.

35

1