Matreshkina problema. In Russian /Matryshkina's problem

All delivery times are based on availability, normal processing and delivery companies.
International orders may be subject to the customs fees and import duties of the country to which they are shipped. These charges are always the recipient’s responsibility.
If your order includes heavy items, oversized items, and/or multi-volume sets, you may be required to pay additional shipping costs. If additional costs are required, we will provide you with a shipping quote for approval prior to processing your order.