Kids Science Technology Experiments Students Small Inventions Assembled Toys Educational Tool -Hydroelectric power generation | Игрушки и

Kids Science Technology Experiments Students Small Inventions Assembled Toys Educational Tool -Hydroelectric power generation | Игрушки и

This small science experiment model, about a physics principle, is made by good quality wood and other assembled parts for primary and middle school students or teachers to make the science class more vivid and improving students' experimental operational skills.
Features: Easy to assemble and operate, inspire children's interest and curiosity. Stimulating students' creative thinking and ability by learning physics. Help teacher to make the science class more lively and interesting. Small experiments can also consolidate students' mastery of physical knowledge. Great playing model tools, children can DIY colors on.
Specifications: Material: wood Suitable Age: 10+ Knowledge Point: gear drive
Power: 2 * AA batteries (not included) Item Size: 150 * 100 * 100mm / 5.91 * 3.94 * 3.94in Package Weight: 112g / 3.95ounce Package Size: 198 * 300* 15mm / 7.8 * 11.81 * 0.59in
Note: 
Please allow 1-10mm error due to manual measurement, thanks for your understanding!
Battery is needed but not included in package, you need to prepare yourself!

Package List: 1 * Science Model Kit

Shipping:

1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.
2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .
3.If you didn't receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges.

Warranty:

1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.