Features: Exquisite workmanship wood color floor.  US dollar pictogram symbol flywheel.  The overall retro industrial style is resistant to color.  High quality aluminum and alloy materials, high speed CNC machining process.  Full inspection of each product before leaving the factory to ensure product quality.  The product contains color LED light string and lamp bead. Users can enjoy DIY themselves and create a romantic holiday atmosphere to enhance children's fun in scientific experiments. At the same time, it also gives another feature of holiday gifts, which can be played by both boys and girls.  Safe packaging to ensure that international transportation is not damaged.  With full English manual.  Free installation, manual and video guide.  Contains a frosted storage bag, which is convenient for customers to use after storage.    Description: Item Name: Stirling generator;  Material: Metal;  Product size / weight: 17.4*8.4-9.8cm/460g;  Package size / weight: 20 * 11 * 13.5cm / 650g;    Note: 1. Please understand the product might have some colour difference due to different monitors and scenes.  2. Please allow slight deviation for the measurement data.     Package Included: 1 x Wood Bottom Plate Stirling Generator