---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- [About Tanoshimu Marble Rolling Building Blocks, a popular wooden toy that makes a great gift] Tanoshimu Marble Rolling Blocks are not just toys. Designed as an educational toy to support your child's sensory education, language, math skills, and intelligence development. While playing, your child will feel the texture and weight of the material. This not only improves hand sensitivity, vision, and patience, but also improves mathematical and geometrical sense, theoretical thinking, three-dimensional sense, and spatial awareness. Through the four steps of thinking, assembling, trying, and fixing, children acquire the ability to persevere and the ability to concentrate. Through repeated attempts and failures, children's imagination and creativity grow, helping them to grow intellectually. Feel the endless possibilities in play and support your child's growth with Tanoshimu Marble Rolling Building Blocks. [Learn the power of thinking through play] By playing with the idea of making a course so that the marbles fall to the bottom, you will experience a sense of accomplishment and develop concentration and creativity. The gentle tone is comfortable and you can enjoy the sound♪ [A gift that kids will love] A classic toy that is popular with both boys and girls. They are also popular and attracting attention as educational toys that encourage children's growth and development. It is an unpainted, sturdy, and long-lasting toy that you will never get tired of, so it is a great gift for baby showers, Children's Day, Shichi-Go-San, Halloween, Christmas, birthday presents for 3, 4, and 5 year olds, New Year's celebrations, school entrance exams, entrance exams, entrance exams, etc. Perfect as a gift. It is highly recommended not only for home use, but also as a gift, children's association, neighborhood association, PTA, play space, children's center, nursery school, graduation souvenir, Montessori education, kindergarten teaching material. [Each building block is carefully polished to fit gently in your child's hands] The corners of the building blocks are moderately rounded...