*This clause would not implement to Pre-owned & Refurbished goods. A. Product is defective when you receive it, within just 14days of supply, you can return defective goods to Elegoo and have an entire refund or substitution, and Elegoo is answerable for return delivery prices. Or you could ask Elegoo https://ligamega2581368.thezenweb.com/top-guidelines-of-mega25-65783061