Hero's Engine Steam Ball Model Kit

Product Information:Material: aluminum alloy + brass + stainless steelColor: black or silverSize: 147*95*125mmWeight: 256gSuitable age: 16+Packing: boxedPacking list: steamer kit *1, alcohol lamp *1, hexagonal wrench *1, manual *1. Product Description:The Hiero steam engine, also known as the steam rotor ball, is an ancient steam-powered device invented by Hiero of Alexandria in the 1st century AD. It is considered one of the earliest known steam engines and demonstrates the basic principles of steam propulsion and rotary motion. Product Description:1, EXPLORE ANCIENT ENGINEERING: Recreate the world's first steam-powered device with this fun and educational steam rotating ball model kit, perfect for frequent history explorers and technology enthusiasts.2, STEM EDUCATIONAL TOOLS: Learn basic physics and engineering principles of steam propulsion and rotary motion through an interactive game where steam escapes and spins the steam ball, perfect for college teachers and hobbyists.3, DURAB