Retrol & B01 Ball Top Metal Engine Model That Works, Water-Cooled Single-Cylinder 4-Stroke Hit and Miss Internal Combustion Engine Physics Model Gift Christmas

Specification:.Material: Metal + Wood.Model: B01.Form: Ready to Run (RTR) .Product Dimensions: 20.4 x 10 x 18.4cm .Package Dimensions: 25 x 18 x 20cm .Packing: Graphic Carton .Ages: 16+ Package IncludingEngine(with Wooden Display Stand and Isnition System)*1 Drill Starter Stiek *1 Aecessory Bag *1 Instruetion Manusl *1

• 🔶【Authentic Design】The engine size is 20.4 x 10 x 18.4cm.Scaled-down B01 engine model featuring a ball-top water tank, oil cup, and crankshaft oil channel for true-to-life mechanical operation and vintage charm.
• 🔶【Precision Craftsmanship】CNC-machined crankshaft, cast flywheel, and fuel tank provide balanced weight, superb compression, and flawless engine movement.
• 🔶【Innovative Ignition Stable Support】Features a newly designed mechanical ignition system with the igniter and battery housed in a matching wooden box, paired with a solid wood base for enhanced stability and craftsmanship.
• 🔶【Multi-Value Model】Combines educational (engine principle demonstration), collectible (unique mechanical design), and decorative (vintage display piece) value, meeting diverse needs for hobbyists and enthusiasts.
• 🔶【A Remarkable Gift for Collectors】A unique mechanical collectible blending vintage charm, functional engineering, and educational value, ideal for gifting to enthusiasts and collectors.