Tumi-Isi Wooden Stacking Rocks no-quick-add With a welcoming tone

With a welcoming tone

they can be taught

Believe it or not

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touch-sensitive synthesizer that creates experimental sounds by detecting your movements

Tumi-Isi Wooden Stacking Rocks no-quick-add With a welcoming toneThese 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 (; '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