Imperial Household Supplier: SINA (Gina) Baby Cubes babycube (9 pieces) Product Name: SINA Gina Baby Cubes Manufacturer: SINA / Gina (Germany) Age: Approximately 10 months and up Size: Each cube is approximately 4cm x 4cm x 4cm These are very high-quality building blocks from SINA, a German company. They have been used and stored with care, so they are still in good condition and ready to be used. These popular educational toys are also known as the "sound-making building blocks" that Empress Michiko gave to Princess Aiko. Inside the 4cm square cubes (baby cubes), there are bells and wooden pieces that produce different sounds depending on the color, allowing children to enjoy various sounds when shaken. They are useful for building block play, as well as educational games that stimulate the senses, such as sound and color recognition. They are lightweight and easy to handle, and the large size (4cm square) reduces the risk of accidental swallowing, making them a popular choice for first-time building blocks. *Please purchase only if you understand that these are used items and have been stored at home. The current price of a new set is 22,000 yen.