3D Stainless Steel Mechanical Unicorn DIY Assembly Model Kit, Desktop Decoration Gift for Adults and Collectors Features: Mythical Styling with Mec...

3D Steampunk Metal Mechanical Butterfly Model Kit (100+PCS) Product Information: This 100+ piece steampunk butterfly metal assembly model features ...

3D Steampunk Metal Mechanical War Scorpion Model Kit - 450PCS+ Features: Mixed Metal Construction with Steampunk Visual Contrast:  The main structu...

3D Wooden Mechanical Orrery Solar System Model Kit, DIY STEM Educational Desktop Display (413PCS) Features: Precision Gear Transmission System:  Bu...

3D Wooden Steampunk Victorian Steam Train Model Building Kit 800+PCS with Led Light Features:  Victorian Steampunk Aesthetic:  Inspired by classic ...

5 Cylinder Radial Engine Model Kit that Works - Build Your Own Radial Engine - TECHING 1: 6 Full Metal Radial Engine Model Kit 250+Pcs 5 Cylin...

Inline 6-Cylinder Engine Model Kit, Transparent Internal Combustion Engine DIY Assembly Kit with Motor Drive, Moving Pistons and LED Effect, STEM M...

CISON 6-Speed Power Shift Transmission + High/Low Transfer Case Kit for CISON V8 Engine Model Product Information: Upgrade your RC model car with t...

AIR FORCE JET TURBINE 3D Metal Aircraft Turbine Model Kit, Collectible Desktop Display for Aviation Lovers-58PCS Features: Authentic Engine Design:...

Alloy Electric Train Set Model with Carriage and Long Track - Gift for Boys and Girls Features: Alloy Material:  The locomotive is made of sturdy a...

Arc-Reactor-Style Plasma Ring, Inert Gas Light Sphere (90mm) Product Information: Experience next-generation plasma technology with this high-frequ...

Autonomous Robot Car Kit with Deep Learning Vision & Ackermann Steering - Self-Driving Platform for Jetson Nano & Donkey Car Features:  Hig...

Bluetooth Music Tesla Coil with 10CM Arc Length (US-Plug) Product Information: Explore the magic of science with our Bluetooth-enabled Tesla coil....

C138 1/33 Scale BELL 206 Helicopter 2.4G 6CH Single-propeller Flybarless Helicopter with Optical Flow Positioning (Optical Flow Version/Camo)   Pro...

CISON MCU Ignition Kit for LS-52 V8 Engine – Complete High-Performance Ignition System for Model Engines Notice: (If you purchase this accessory, y...

CISON Small-block V8 Engine - V8 Engine Model Kit that Works - Build Your Own V8 Engine - 44CC 1/6 Scale Water-Cooled OHV 4-Stroke V8 Gasoline Engi...

CISON V8 Engine LS-52 Small-block 52CC 1/5 Water-Cooled 4-Stroke 8-Cylinder Gasoline IC V8 Engine Model Kit that Works - Build Your Own V8 Engine  ...

CISON Small-block V8 Pro 44CC 1/6 Scale Water-Cooled 4-Stroke 8-Cylinder Gasoline Engine Internal Combustion Model (KIT Version)CISON Small-block...

Compact Desktop Woodworking Embossing Machine with Silent Precision Wood Embossing Tool Product Information: This desktop woodworking embossing mac...

RETROL & OKMO Vintage Handcart Frame for L-D Stationary Gasoline Engine Model, Solid Wood and Metal Structure, Movable Display and Support Base...

Metal 4-SWheel Steering Flatbed Transport Cart for RETROL HM-01 Hit and Miss Engine Model Note: Pre-Sale Now! Expected to ship in July~ Product...

Cyberpunk NIXIE Tube Clock - DIY Screen with Neon Lighting Effects, Customizable Digital Desk Decor, Unique Tech Gift Features: Multi-Screen Sync &...

Cyborg Violence Bear 3D Metal Puzzle Model Building Kit High End Desktop Toy Pre-sale Now!Features: Unique Mechanical Aesthetic:  This collectible ...

Da Vinci Ornithopter with Kinetic Flapping Wing 3D Model DIY Kits 243PCS Features:  Renaissance Mechanical Aesthetics:  A modern recreation of Da V...