1、MULTI APPLICATIONS: DIY wooden bridge toy that is great for individual or collaborative group activities in school classrooms, makerspaces, daycares, libraries, homes or offices. 2、SAFE MATERIAL: The DIY wooden bridge model is made of safe wood. All parts are cut with exquisite technology, no tip edges and no odor. Safe for children to use. 3、EDUCATIONAL: This is a fun science education work, perfect parts, easy to assemble, by disassembling and assembling, can enhance the children's hands on ability. 4、EXQUISITE AND LIFELIKE: The wooden assembly bridge has a well designed structure, perfect for children to learn and understand mechanical transmission and balance. 5、IDEAL GIFT: Wooden puzzle bridge for ages 6 and above, share your love of building and puzzles with your family or friends. Ideal birthday, holiday gift. Item Type: DIY Wooden Bridge Material: Composite Wood Finished Size: Approx. 28 x 6.4 x 16.3cm / 11 x 2.5 x 6.4in Age: 6 Years Old and Above Use: Handcraft, Educational Teaching 2 x Large Wooden Block Board 1 x Cotton Thread 1 x Instruction Manual