Birds of Western North America: 1,000-Piece Puzzle Activists Hervé Tullet invites readers to

Hervé Tullet invites readers to MIX IT UP in a dazzling adventure of color and tones

Most of us see only a fraction of their absorbing routines

The crystal is polished to a shine that reflects light and creates a stunning effect wherever it is displayed

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and embark upon a magical journey

Birds of Western North America: 1,000-Piece Puzzle Activists Hervé Tullet invites readers toThis puzzle comes with QR codes developed by the Cornell Lab of Ornithology that allow you to listen to the birds songs and calls on a smartphone while working on the puzzle. Theres also an informational poster included, with illustrationsby the Cornell Labof the 120 birds depicted on the puzzle. How it works: Just download the free Bird QR app on the box and scan the QR codes (next to the images of the birds on the poster) to hear the birds' songs.