





Metal Puzzle
HanayamaHanayama Cast Key III Metal Puzzle
USD · All duties prepaid by Tokyo Carry
Highlights
- Difficulty level 6 (highest); interlocking metal key puzzle with hidden mechanisms
- Revives 1987 discontinued design Cast Oskar with new gimmick; 52g solid metal
- Award-winning by Japanese puzzle enthusiasts; ~30-60 minute solve time
About this craft
Hanayama is a Tokyo-based metalcraft puzzle house, founded 1976. Cast Key III belongs to their signature line—hand-engineered metal puzzles inspired by traditional Japanese locks and mechanisms.
Description
Premium metal puzzle by Hanayama; intricate key unlock challenge, difficulty 6
Keep dry. Do not force pieces. If stuck, rotate gently in multiple directions; the solution involves sequential manipulation. After solving, handle carefully to avoid misalignment.
Shipping & Import
Ships from Tokyo with tracking. Import duties, taxes, or carrier fees may apply depending on your destination country unless shown as prepaid at checkout.
Details
- Brand
- Hanayama
- Color
- Multicolor
- Dimensions
- 11.9 × 7.7 × 4.6 cm
- Material
- Metal
- Material Type
- Metal
- Product Style
- CAST KEYIII (Cast Key III)
- Item Dimensions
- 11.9 x 7.7 x 4.6 cm
- Number of Pieces
- 1
- Included Components
- Main unit
- Weight
- 53 g








