219pcs Science Experiment Kit Oil-Pumping Machine DIY Model Hand-operated Educational Toys Gift Kids Inventions Kit WELCOME HOPE YOU ARE FEELING BETTER HUGE CLEARANCE SALE..! SEE SELLER'S OTHER ITEMS (please leave a message for your desired color or we will ship a random color) Very suitable as a GIFT Description: - 219PCS parts their own DIY assembly, assembly and then turn on the power switch, the product will run.- The pumping unit mainly use crank-rocker mechanism to transform the rotating motion into reciprocating motion. The oil is eventually extracted from underground to ground through the pumping device.- In the hands-on process to understand industrial knowledge, physical knowledge, integration of multidisciplinary knowledge and application.- High simulation industrial prototype structure: overall internal structure assembly, real reproduction of pumping process, cognition of petroleum industry machinery, fusion of geological and cultural knowledge.- Anode oxidation environmentally friendly metal parts.Parents and children grow together, cultivate the spirit of artisans, guide innovative thinking. Specification: - The Finished Product Size: 247 x 94 x 227mm / 9.72x3.7x8.93inch- Boxed Size: 26 x 21.5 x 5.3cm / 10.23x8.46x2inch- Material: Metal Specifications: .Color: As Shown.Material: Aluminium Alloy + Stainless Steel.Model: DM419.Coloring Process: Anodizing.Finished Size: 247 x 54 x 227mm.Number of Parts: 219Pcs.Assembly Difficulty: 2 stars.Assembly Time: About 2 hours.Charging Voltage: DC5V.Battery Capacity: 500mAh.Product Dimensions: 24.7 x 5.4 x 22.7cm.Product Weight: 636g.Package Dimensions: 26.2 x 5.1 x 21.5cm.Package Weight: 1207g.Packing: Plastic Box + Blister Package Includes: 1 Set DIY Oil Pump Fuel Machine Model Kit1 Piece Manual High quality in EU and US quality standard converse : 1 inch = 2.54cm or 1cm = 0.393 inch FAQ 1: When will my order be shipped after I paid it ? Your orders will be sent out with available tracking numbers within 24h - 48 hours NORMALLY once we confirmed your payments.all products will be double check before package ,we have to guarantee good quality before shipment. 2. Can I get some discount if buy more quantity ? Yes,we will offer you the best discount or wholesaler price if your order is large . 3.Custom Duty Or Import Tax Usually what the way we shipped not ask for import tax , but different country different policy, if the package was stopped by your local customs and ask for the import tax , those import tax should be in charge by your side . 4. Return Service All our watches are quality control double checked and are guaranteed to be in working condition before shipment. If you receive watches that are broken or in non-working condition, chances are they were destroyed in transit during shipping. If this were to happen, kindly pls contact us send us video or photos for confirm within 3 days after you receive it , we will either replace them or refund you. response : Your Satisfaction is our priority so we need your positive response and we make sure that we can solve your problem before leaving a negative response. We hope you like our items and enjoy the shopping and also hope you can leave us a positive response. Thank you! Import duty: Taxes and charges are not included in the item price and shipping charges.If in your country need to pay customs duty,it's your honor and responsibility. Color Mismatch: Differences in color may be caused by some other reasons such as color reflection in the monitor,lighting,background etc. Returns: We do our best to serve our each customer the best that we can. We will refund you for items returned within 30 days of you receiving them,for Quality problems. A full refund will be given if items are returned in their original condition. Merchandise which is damaged or missing components is not refundable. Buyers are responsible for return shipping with proper packaging. On receiving items,we will refund you immediately. Before returning items,please make sure you get our(the seller's)return address,and write "gift" on the delivery detail sheet. Thanks for looking! Stay Safe ❤️ GOD BLESS YOU!