Hot Air Engine Model Mini External Combustion Motor Power Generator Scientific Education Toy

Feature: 1. Showing the converting heat energy into the mechanical kinetic energy, deepen the interest in physics. 2. Very easy to assemble, it " s a valuable collection, and can also be used as school experiment supplies. 3. Wide application, for children " s science projects, for physicsmechanical learning, and so on. 4. Small size and light weight enable convenient carrying and storage for indoor and outdoor display. 5. Made if high quality zinc alloy and glass, not easy to deform, very durable for long‑term use. Specification: Item Type: Hot Air Engine Model Product Material: Zinc Alloy + Glass Function: Heat energy is converted into engine mechanical kinetic energy, hands-on operation, more intuitive grasp of its working principle. Product Size: Approx. Product Size: Approx. 6.9 x 15.9 x 8cm 2.7 x 6.3 x 3.1in (There may be small errors in manual measurement). Package List: 1 x Hot Air Engine Model1 x Cotton Cloth1 x Blue Cover1 x Jar1 x Magnet