.Quality: Some scratches defects on the surface, some are obvious, some are not, but normal operation, if you mind, please don't place an order; Randomly deliveried .Product Parameter: The bottom diameter is 10cm, the height is 11.3cm, and the speed is about 600 revolutions per minute .How to operate: Place the engine on a cup filled with hot water (10cm or less in diameter is enough to keep stirling from falling), preheat it for a minute and then power the flywheel by hand to turn the engine .How it works: The gas expands when heated and contracts when cooled. The expansion and contraction of the gas as the power to make the piston movement, repeated such a cycle; .Note: Do not roast or soak in hot water. .For Age: Over 8 years old
.Color: As Shown .Material: Stainless Steel .Product Weight: 174g .Package Dimensions: 11.3 x 10 x 10cm .Package Weight: 200g .Packing: Bubble Bag
.1 x Engine
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Packing & Delivery
Q1:Do you accept custom design? A1:Yes,We Accept Logo and Product design.
Q2:What about your production time? A2:we have 80% stock toys and can delivery to you within 3-7 days.if need custom, 15-30 days will finish production and delivery to you with our best speed.
Q3:Can I get a free sample? A3:It depends on the value of the sample,we can provide small toys but need you to pay for delivery.
Q4:Are you a manufacturer or trading company? A4:We are a company and have our own factory, and our MOQ is lower to 1 pieces. we try to send all kind goods to you use the fast speed.
5.What's your payment term and loading Port? A5:Normally, We accpet L/C,30% TT and Alipay. Loading port,Shenzhen in Usually.
6.How do you control the factory Product Quality? A6:We have our Own QC who will inspect the whole production and we work in our cooperation factory which could control the quality Better. Cooperation Factory must have BSCI for reference.