Ravensburger Krypt Silver 654-Piece Puzzle (15964)

No picture. No colors. No mercy.

The Ravensburger Krypt Silver (15964) is a 654-piece all-silver puzzle with zero image to guide you — just a shimmering spiral gradient and hundreds of uniquely shaped pieces. Every single piece is different, cut from a hand-crafted spiral-inspired die, so the only way to solve it is by matching shapes. It's the kind of puzzle that turns casual puzzlers into strategists and experienced puzzlers into legends.

A cheat sheet is included (sealed) for when willpower runs out. No judgment.

• 654 uniquely shaped pieces — no duplicates | Adults
• No image: solved entirely by piece shape
• Ravensburger SoftClick technology for a satisfying, perfect fit
• Extra-thick cardboard backing with matte linen-finish surface
• Includes sealed cheat sheet
• Completed size: 27" × 20" (70 × 50 cm)
• Made in Germany since 1891