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| Play & educational building blocks (1885) at Deutsches Museum. Munich, Germany. | Wooden architectural building blocks (c1900) at Deutsches Museum. Munich, Germany. | Wooden building blocks & printed designs (early 20thC) at Deutsches Museum. Munich, Germany. | Steam roller model built with Märklin metal construction set (20thC) at Deutsches Museum. Munich, Germany. |
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| Ferris wheel, crane & other models built with metal Erector set-type construction sets (20thC) at Deutsches Museum. Munich, Germany. | Union Building Blocks No 4 vintage construction set by Richter & Co. of Germany at The Strong National Museum of Play. Rochester, NY. | Stacking blocks with zoo & other scenes (pre 1900s) at The Strong National Museum of Play. Rochester, NY. | Lionel train set, Erector Master Builder Set & Lincoln Logs at The Strong National Museum of Play. Rochester, NY. |
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| Erector toy blimp at The Strong National Museum of Play. Rochester, NY. | Boxed Erector Walking Robot set at The Strong National Museum of Play. Rochester, NY. | Toy blocks in wagon in Nursery at Roosevelt's House Sagamore Hill NHS. Cove Neck, NY. |
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