What is a Curvimeter? The Curvimeter (also known as an opisometer) is a fascinating mechanical device that measures the length of curved lines on maps with precision. Unlike a straight ruler, this clever tool helps calculate distances along winding paths, roads, or rivers much...

The Galileo Pendulum Clock Model Kit is an elegant DIY assembly experience featuring 106 meticulously crafted aluminum alloy and stainless steel parts that combine to create a fully functional mechanical timepiece. This Level II difficulty kit offers approximately 40 minutes of engaging building experience,...

The Steam Train Model Kit is our most challenging DIY assembly experience, featuring 295 meticulously crafted aluminum alloy and stainless steel parts that combine to create a fully functional, motorized locomotive model. This Level IV difficulty kit offers approximately 4 hours of immersive building...

The Remote Control Tractor Model Kit is a premium DIY assembly experience featuring over 400 meticulously crafted aluminum alloy and stainless steel parts that combine to create a fully functional, app-controlled tractor model. This Level III difficulty kit offers approximately 3 hours of immersive...

The DM17 Single Cylinder Engine model kit combines educational value with engineering elegance in a comprehensive assembly experience. This meticulously crafted aluminum alloy replica faithfully reproduces the mechanics of an internal combustion engine, powered by an electric motor for safe, clean operation. With over...

Material: plastic/plastic Packing method: color box

The Wooden 3D Puzzle Hogwarts Castle from Ugears brings the magical world of Harry Potter™ to life through intricate wooden craftsmanship. This detailed recreation captures the iconic wizarding school with remarkable architectural accuracy, featuring the castle's distinctive towers, turrets, and interior spaces. Designed as...

The Wooden Typewriter Model is an exquisite mechanical 3D puzzle that meticulously recreates the classic typewriter experience through intricate wooden engineering. Featuring 453 precision-cut plywood components, this detailed replica captures both the nostalgic aesthetic and functional mechanics of a traditional typewriter. When assembled, this...

The Tractor Model is an intricate mechanical 3D wooden puzzle that brings agricultural engineering to life through 357 precision-cut components. This highly detailed replica features a sophisticated 4-speed gearshift system, visible 4-piston engine, and rubber-band power mechanism that enables realistic forward and reverse movement...

The DA VINCI Wooden Tank Model brings Leonardo da Vinci's visionary 1487 fighting vehicle design to life as an intricate mechanical 3D puzzle. This historically accurate wooden model features 363 precision-cut pieces that assemble without glue, creating a functioning replica with rotating rubber-band mechanism...

This precision V2 Engine Model showcases exceptional mechanical engineering with 217 premium aluminum alloy and stainless steel parts. Featuring CNC precision casting with anodized finish, this electric-powered model demonstrates authentic engine principles through its transparent design, allowing you to observe the synchronized movements of...

This precision Mini Diesel Engine Model recreates a classic OHV inline four-cylinder diesel engine with over 300 meticulously crafted aluminum alloy and stainless steel parts. Featuring a built-in motor that powers authentic mechanical movements, this 1/10 scale model allows you to observe the complete...

This precision 5-Cylinder Radial Engine Model showcases authentic engineering with over 230 premium aluminum alloy and stainless steel parts. The fully operational model features transparent viewing windows to observe the intricate movements of the crankshaft, connecting rods, and pistons in action, making it perfect...

This precision Turbocharged 4-Cylinder Engine model recreates a revolutionary design with high-quality aluminum alloy construction and over 360 meticulously crafted parts that perfectly showcase the beauty of mechanical engineering. Ideal for mechanical enthusiasts, collectors, and STEM education for ages 14 and above, this model...

Experience the marvel of automotive engineering with our V8 Engine Model, a premium DIY assembly kit featuring over 500 precision-crafted parts made from high-quality aluminum alloy and stainless steel. This detailed working model accurately simulates a real V8 engine's 4-stroke process, complete with visible...

This precision 4 Cylinder Engine model recreates a historic classic design with high-quality aluminum alloy construction and 357 meticulously crafted parts that perfectly showcase the beauty of mechanical engineering. Ideal for mechanical enthusiasts, collectors, and STEM education for ages 14 and above, this model...