Stirling Motor Modelo Motor Regalo STEM Ciencia Física Laboratorio Juguete
- $100.99
- $100.99
- Unit price
- per
Stirling Motor Modelo Motor Regalo STEM Ciencia Física Laboratorio Juguete
Material: Metálico
Color: Plata
Color: Plata
Tamaño del artículo: 15,4 * 7,9 * 8,6 cm/6,1 * 3,1 * 3,4 pulgadas
Peso del artículo: 432 g/15,2 onzas
Tamaño del paquete: 17,5 * 9,5 * 11,6 cm/6,9 * 3,7 * 4,6 pulgadas
Peso del paquete: 526 g/18,6 onzas
Procedimiento de operación:
1. Encienda la lámpara de alcohol, precaliente el tubo aproximadamente 50-60 s;
2. Retire la correa de goma que se conecta entre la rueda grande y el generador eléctrico;
3.Gire la rueda grande con la mano, deje que la máquina funcione un rato;
4.Saaembly el cinturón de goma;
5. Gire la rueda grande a mano, la máquina y el generador eléctrico funcionan, iluminación LED.
Nota:
1. Uso de alcohol con pureza≥95%.
2. No toques el cristal cuando lo uses.
3. Tenga cuidado con el alcohol que escupe, es muy peligroso.
4. Usar una tapa para sofocar la lámpara de alcohol, nunca soplar con la boca ni escupir agua para apagar.
5. Si el alcohol se escupió y se disparó, no entre en pánico, use un trapo húmedo para cubrir el fuego.
6. Lea atentamente el manual del usuario cuando comience a usar el producto.
El paquete no contiene alcohol, debe agregarlo usted mismo, preste atención a la seguridad y al fuego.
El paquete incluye:
Lista de paquetes:
1 * modelo de motor Stirling
1 * Lámpara de alcohol (sin líquido)
1 * tubo de vidrio
1 * luz LED
1 * Portalámparas de alcohol
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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