This Thermal engine model combines the look of a precision machine with the attraction of an educational mechanical toy. Its digital electrical potential display adds another layer of observation, making it easy to watch the model as it operates during lessons, demonstrations, or personal study.As a Thermal engine toy, it is designed to run with lighter butane gas and a 3-5 V input, giving users a direct way to investigate heat, motion, and power generation in one compact setup. The working principle is especially useful in classroom discussions where students can connect what they see with how the engine functions.The mechanical model is built from an oval aluminum alloy base, stainless steel support parts, an aluminum alloy engine body, a stainless steel hot cylinder, and an aluminum alloy and brass burner head. These materials give the model a structured, technical appearance that suits hands-on teaching and display.Its red finned cylinder block, large red flywheel, smaller blue flywheel, copper tubing, and black burner assembly make the moving parts easy to identify. As a mechanical science toy, it helps learners follow motion, air movement, and energy transfer more clearly duringWith its 160 x 80 x 90 mm size and 600 g total weight, this model is compact enough for a desk or classroom table while still feeling substantial during use. It is intended for students, teachers, and anyone who desires practical demonstration piece for mechanical and energy-related learning.
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