Perfect for summer vacation free study and learning as it allows you to learn both knowledge about trees and conduct experiments. Okazaki Lumber Co., Ltd. (CEO: Kinya Hatta, hereinafter "Okazaki Lumber"), founded in 1917 (Taisho 6) with over 100 years of history, will release the "Tree Secret Research Kit," a free study and wood education material for elementary school students. Okazaki Lumber possesses over 50,000 pieces of solid wood from 120 tree species sourced from around the world. From its vast inventory of lumber, the company has selected nine types of wood with different colors, weights, scents, and grain patterns, and commercialized them as a free study and wood education material that allows children to learn while touching real wood at home. Amidst the decreasing opportunities for children to interact with wood, the kit was developed with the desire to "convey the charm of wood and the interest of natural materials to the next generation." By using real "solid wood" instead of colored or printed materials, children can feel the natural colors, textures, and scent differences of wood with their five senses, and learn experientially about "floating wood" and "sinking wood" experiments, as well as the specific gravity and characteristics of wood. Okazaki Lumber's Giant Wood Warehouse "Museum" As a lumber company that has walked alongside wood for many years, Okazaki Lumber aims to support summer vacation free study, and by leveraging its knowledge of lumber cultivated since its founding and its leading lumber inventory in Japan, it wants to convey the charm of solid wood to children. Furthermore, through the experience of touching real wood, the company aims to foster curiosity about familiar trees and natural materials, nurture a love for woodworking and craftsmanship, and take the first step towards choosing wood as an attractive option in their future lives. Nine types of wood, selected from a stock of 120 species and 50,000 pieces, have been made into e