CHALLENGE: Place 6 nails over the pole in perfect balanceDifficulty: INCREDIBLE 5/6. Average solution time: 1 hour – 1 yearWarning! For a quick resolution of this exceptional puzzle you need 2 degrees: the first in engineering and the second in circus artsAssembled game dimensions: 11 x 11 x 12 cmClosed box dimensions: 11 x 11 x 3 cmPACKAGED IN BLISTER WITH COLORED LABEL
Arno - 3D Brain Teaser in Fine Wood - Difficulty 4/6 Extreme - Leonardo da Vinci Collection
$22.73
Master Cross - 3D Brain Teaser in Fine Wood - Difficulty 4/6 Extreme - Leonardo da Vinci Collection
$12.57
Nails – Wooden Brain Teaser – Difficulty 5/6 Incredible – Euclide Collection
$21.59
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Free Shipping: Enjoy complimentary delivery anywhere in the U.S. on orders over $1,800.
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Fast Delivery: We pack and ship within 1–2 business days, and most customers receive their furniture in just 4–6 business days. See details in our Shipping Policy.
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Simple Returns: Change your mind? No problem. Our 30-day return window has you covered. If your item arrives damaged or incorrect, we’ll handle the return shipping and issue a full refund. Learn more in our Return & Refund Policy.
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Here for You: Questions or need assistance? Reach out to us anytime at [email protected] or call +1 (925) 912-1150.
