Assembling a large puzzle can be a challenging but rewarding activity. Here are some tips to keep track of pieces and stay organized:
Sort the Pieces:
Edge Pieces: Separate the edge pieces from the inner pieces and start by building the border of the puzzle.
Colors and Patterns: Sort the pieces by color and pattern. Group similar shades and distinctive patterns together.
Shape: Group pieces by shape, especially if the puzzle…
Source: How do you keep track of pieces when assembling a large puzzle?