Tumi-Isi Wooden Stacking Rocks
These tactile objects are meant to nourish your sense of balance and creativity, while also transporting you back to that river where you stacked stones as high as you could. Designed by Nara-based studio A4, tumi-isi (積み石; 'stacking stones' in Japanese) are a set of 5 blocks individually hand bevelled into asymmetrical shapes by local artisans. Made from the finest woods of Yoshino Cedar and Yoshino Cypress, the blocks are coated with natural pigments making them safe, and fun, for all ages.
| Materials | Aerospace-Grade 6061 Aluminum & Solid Brass Accents |
| Finish | Cerakote Matte & Electro-Polished Accents |
| Principle | Kinetic Physics, Optical Dispersion & Persistence of Vision |
| Dimensions | Approx. 2.75" x 2.75" x 3.25" |
| Weight | 10.8 oz |
| Display Base | Machined Felt-Lined Aluminum Display Pedestal Included |
| Origin | Artisan Crafted in California, USA |
Curator Notes: Tumi-Isi Wooden Stacking Rocks
These tactile objects are meant to nourish your sense of balance and creativity, while also transporting you back to that river where you stacked stones as high as you could. Designed by Nara-based studio A4, tumi-isi (積み石; 'stacking stones' in Japanese) are a set of 5 blocks individually hand bevelled into asymmetrical shapes by local artisans. Made from the finest woods of Yoshino Cedar and Yoshino Cypress, the blocks are coated with natural pigments making them safe, and fun, for all ages.
Each production run of this artifact is executed in limited atelier batches. Hand-assembled and calibrated with precision tools to ensure that physical resistance, kinetic balance, and aesthetic presentation meet the stringent heirloom standards of Arcana Vault.
Domestic US Shipping & Master Guarantee
Complimentary Domestic US Shipping: Orders containing over $75 in curios qualify for free fully insured carbon-neutral standard delivery (FedEx Priority / USPS Ground Advantage).
Dispatch Time: Orders placed before 2:00 PM Pacific Time dispatch the same business day from our San Francisco fulfillment center.
30-Day Master Guarantee: If this artifact fails to deliver utter delight, you may return it in its original archival packaging within 30 days for a full refund.
Packaged like a luxury timepiece. Everything from the foam cutouts to the certificate of authenticity screams perfection.
Heavy, precision-machined brass with a flawless mirror finish. You can immediately feel the dedication to craft.
Hypnotic to watch in motion. It sits beside my workstation monitor and offers the perfect tactile mental break during intense work sessions.
A true conversation starter. Guests are universally captivated by the impossible physical effect.
The optical clarity is stunning. When sunlight hits it in the morning, it casts intricate geometric spectrums across the entire room.
