The educational toy "Sound-Filled Building Blocks" sold by Ed. Inter Co., Ltd. has a list price of 5,500 yen. It includes 11 different types of building blocks that make different sounds when shaken. The wooden box size is approximately 20.5cm x 20.5cm x 4.3cm. The target age is from 1 year old, but it can also be used as a rattle or teether from 0 years old. Playing with building blocks helps develop dexterity, spatial awareness, and imagination. There is some wear and tear, but it is still a usable product. Please refrain from purchasing if you are overly concerned about condition.