مادة صديقة للبيئة وعالية الجودة. كلاسيكية للغاية وممتعة للغاية.
إخفاء المبادئ الرياضية والجسدية الغامضة جدا، من السهل فصلها في وقت قصير، في حين يصعب إعادة تجميعها.
جيد لتغيير طرق تفكيرك وتحسين حكمتك.
Specifications: Eco-friendly material and high quality. Very classic and quite interesting. Hiding very mysterious mathematical and physical principles, it is easy to separate within a short time, while difficult to reassemble. Good for changing your ways of thinking and improving your wisdom. Type: Kongming Lock Material: Beech Features: Educational Toy, No Burr, Anti-Stress, Durable Length: 6cm/2.36", Width: 6cm/2.36", Height: 6cm/2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Kongming Lock