[Widely Application] Widely suitable for variety of situations, such as for children's science projects, physics and mechanics learning, classroom presentations, etc. Item Type: Steam Engine Model Bottom Plate Product Size: Approx. 20 x 9 cm / 7.9 x 3.5 in Material: Stainless steel, copper Application: For children's science projects, physics and mechanical learning, classroom presentations Applicable People: Over 14 years old, easy to use, can more intuitively observe the operation of the Stirling engine Weight: Approx. 1 x Chinese And English Manual. We will reply your message within 48 hours.
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