Specification: 9.5 * 16 cm
Can you do it yourself? Yes
Packing: OPP bag
Electric or not: No
Ability cultivation: use your hands and mind
Type of science and education toys: physics
Please allow 7 - 15 business days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Free shipping on all orders
We use encrypted SSL security
30 DAYS RETURN
You have 30 days to return