Feature: 1. The experimental assembly is simple, the experimental effect is novel and interesting, and the experimental operation ability is improved.2. Cultivate learning ability to lay a foundations for children to learn mathematics, physics and chemistry in the future. 3. Mainly used in middle school physics teaching, to explore the relationship between buoyancy and the object's boiled water. 4. Can stimulate children's interest, practical ability, exploration spirits, imagination, analytical ability, etc. 5. Complete tools, you can operate it yourself, suitable for DIY enthusiasts. Specification: Item Type: Archimedes Principle Overflow Cup Material: Plastic + ABS Transparent Overflow Cup Size: Approx. 6.3 x 14.5cm / 2.5 x 5.7in Large Measuring Tube Size: Approx. 3.7 x 10.8cm / 1.5 x 4.3in Small Measuring Tube with Lid Size: Approx. 3.3 x 8.1cm / 1.3 x 3.2in Package List: 1 x Transparent Overflow Cup 1 x Large Measuring Tube 1 x Small Measuring Tube with Lid 1 x Weight 2 x Hook 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ![]() |