New, Unused K'NEX Education Levers and Pulleys, 178 Pieces An educational toy from America, recommended by a friend who had two sons graduate from MIT. [Product Details] An educational toy manufacturer from America. Connect plastic rod-shaped parts to assemble various objects. It is said to cultivate imagination, spatial awareness, and creativity, which have been attracting particular attention in recent years for children's development, and is actively used in educational settings in America. Among them, the Education series is specialized for education. It is a mechanism that allows you to understand 7 types of lever and pulley structures, By incorporating active learning, children can actively engage themselves. Target age: 8 years old and up It may be suitable for cultivating a scientific mind as a recreation for home study. Parts: 178 pieces Number of assembly models: 7 types Outer box size 31 cm, 31 cm, 6 cm -Condition- New, unused, stored at home The outer box is dirty, and the outer box has been checked by customs. The contents and various parts are unopened. Please refrain from purchasing if you are concerned about minor details. For those looking for Christmas presents such as LEGOs, blocks, those who don't want their children to play video games, retro games, and board games.