U4 Featured Lab Activity online puzzle

4x6 - 24 pieces5x7 - 35 pieces5x8 - 40 pieces6x9 - 54 pieces7x10 - 70 pieces8x11 - 88 pieces8x12 - 96 pieces9x13 - 117 pieces10x14 - 140 pieces11x15 - 165 pieces11x16 - 176 pieces12x17 - 204 pieces13x18 - 234 pieces14x19 - 266 pieces14x20 - 280 pieces15x21 - 315 pieces16x22 - 352 pieces17x23 - 391 pieces17x24 - 408 pieces18x25 - 450 pieces19x26 - 494 pieces20x27 - 540 pieces20x28 - 560 pieces Start a new game Create a multiplayer game table

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

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