(Cross-border trading), school teaching aids, wooden constructor for students, DIY, Aliexpress, science, mini experiment, Birthday gift

(Cross-border trading), school teaching aids, wooden constructor for students, DIY, Aliexpress, science, mini experiment, Birthday gift

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৳ 139 – ৳ 4695% shipping offer

78 available combinations · pick rows below to build your order

Variations & order

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  • Each variation starts at 2 pcs when added. Weight is estimated (~0.088 kg / unit). Final shipping is calculated after weighing in Bangladesh.

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    Manual assembly teaching aid series will not be delivered by the battery!IntersectionIntersectionBad the battery!IntersectionIntersectionThanks!IntersectionIntersection [Knowledge about Bailey Bridge] The movable bridge (English: Bailey bridge, also known as Bailey Bridge) is a British engineer Donald·During World War II, Bailey used pre-designed steel trusses to quickly assemble a truss bridge to solve the problem of troops crossing the river.Truss bridge (English: truss bridge) is a form of bridge. The main body of this bridge is similar to the one in a house."Truss","Truss"Originally it refers to the crossbar under the roof that supports the rafters. This structure is a combination of strong triangular connections developed from short wooden beams, and then developed into a steel structure. When applied to bridge construction, a frame is used to support the bridge body. Generally, steel bridges with larger spans often adopt the truss bridge design method in order to prevent the beams from being too deep and making them look bulky. Currently, the world-famous truss bridge is the Tokyo Kyomon Bridge built by Hitachi Zosen Co., Ltd. of Japan.

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