




Metal Puzzle Set Interlocking Nickel-Plated 8-Piece
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Frustration-free brain training solved in a simple twist
Sharpen focus and logic through twisting challenges with a metal puzzle set — lightweight, pocket-friendly, and durable with nickel-plated finish

Why is this Interlock Metal Puzzle Set perfect for you?
✔ Boosts logic and mental clarity: The puzzle promotes clear thinking and patience by providing twisting challenges that engage the mind and enhance focus, making mental training exciting and effective for all ages.
✔ Strengthens fingers and coordination: Improves hand-eye coordination and finger strength through hands-on interaction, making it a practical tool for developing fine motor skills while keeping users engaged.
✔ Durable and elegant design: Crafted from elegant nickel-plated iron, the puzzle is lightweight yet strong enough to withstand frequent use, featuring a smooth, high-quality finish that adds to its lasting appeal.

Specifications
Material: Nickel-plated iron
Difficulty Levels: Yellow Beginner (6-8 years), Blue Intermediate (8-10 years), Pink Expert (10-12 years)
Size: Approximately 2 x 3.94 in
Weight: Approximately 4.23 oz per set (about 0.26 lb)

Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.
