第二の脳とされる指、その中でも特に [親ゆび] を刺激すると、脳への血流量が増え、脳が活性化し、たちまち若返る！ 認知症の予防効果が大いに期待される、日常的な親ゆび（Thumb／サム）のトレーニングを主な目的とした、国産(兵庫県産)天然木[ひのき]製の脳トレ・知育玩具のデザイ、制作、販売しています。
【日本製】　【特許登録済み】　【海外配送】

The Thumb: Your "Second Brain." Did you know that stimulating your thumbs can increase blood flow to the brain, boost cognitive function, and help revitalize your mind?
We design, craft, and sell brain-training and educational toys made from natural "Hinoki” (cypress, grown in Hyogo, Japan). Our products are specifically designed for daily "Thumb Training" to help keep your brain young and are highly effective in supporting dementia prevention.

＜Made in Japan＞
＜Patented Design＞
＜Worldwide shipping＞