At TERASYNA™, we want customers to feel confident when choosing our children's puzzles.

TERASYNA™ is owned and operated by Xuzhou Peiya Intelligent Technology Co., Ltd., which manages this website and provides customer support services.

This Return & Refund Policy explains the conditions, procedures, and support process for requesting a return or refund. Our goal is to provide a clear and reasonable after-sales experience through transparent communication.

To be eligible for a return, the product should generally meet the following conditions:

• The item is unused
• The item remains in its original condition
• The original packaging is included where applicable
• All included pieces and components are present, including any supplied reference pictures, activity cards, storage bags, or other accessories
• The item has not been damaged through improper use

Products showing signs of use, damage caused after delivery, or changes that affect their suitability for resale may not qualify for a change-of-mind return.

These eligibility conditions do not limit any rights you may have under applicable law concerning defective, damaged, incomplete, or incorrectly supplied products.

Before sending any item back, please contact our support team at service@terasyna.com with the following information:

• Your order number and the email address used at checkout
• The product name and selected puzzle theme, piece count, or variant, where applicable
• The reason for your return request
• Relevant photos or supporting information when necessary

Our customer service team will review your request and provide return instructions if it meets the applicable requirements.

Please do not send products back before receiving return guidance from our support team.

For accurate handling, please contact TERASYNA™ before arranging a return shipment.

After your return request is approved, our customer service team will provide the appropriate return address and instructions.

Following the provided instructions helps ensure returned items can be properly received and processed.

For returns due to personal preference, incorrect selection, or other non-quality-related reasons, customers may be responsible for the applicable return shipping costs.

Please contact us if your item arrives:

• Damaged
• Defective
• Incorrect
• Incomplete or missing components listed in the product description
• Significantly different from the product description

TERASYNA™ will review the situation and provide an appropriate solution. Possible solutions may include:

• Replacement assistance
• A return arrangement
• A refund solution

The resolution and any return shipping arrangements will depend on the circumstances of the case and applicable requirements. Please contact us before paying for return shipping.

If your order arrives damaged, defective, incomplete, or incorrect, please contact us as soon as possible.

To help us review the issue efficiently, please provide:

• Your order details
• Photos or videos showing the issue, where available
• A description of the problem

For concerns involving missing or damaged puzzle pieces, an incorrect picture, or missing included accessories, please identify the affected item and include clear photos of the puzzle and packaging where possible.

Our team will review the information and provide assistance. TERASYNA™ aims to handle product-related concerns fairly and offer suitable solutions.

Once an approved return has been received and reviewed, eligible refunds will be processed.

The time it takes for funds to appear in your account may depend on the processing procedures of the relevant payment service provider or financial institution.

You will receive confirmation after the refund process has been completed.

Subject to applicable law, change-of-mind returns may not be accepted in situations including:

• Products damaged through improper handling after delivery
• Used puzzles returned for non-quality-related reasons
• Items returned without prior communication
• Products missing pieces, reference pictures, storage accessories, or other components that were supplied
• Items that are no longer in their original condition
• Requests submitted outside the return period

If your order arrived with missing pieces or components, please report the issue to our support team for review; the change-of-mind conditions above do not determine eligibility for a remedy for an incomplete delivery.

If you have questions about eligibility, please contact our support team before returning the product. This policy does not exclude any mandatory consumer rights.

TERASYNA™ is committed to providing helpful and transparent customer service.

For questions about returns, refunds, or after-sales requests, please contact:

Email: service@terasyna.com
Phone: +86 133 6564 7536
Customer Service Hours: 8:00 AM – 10:00 PM

Our team aims to respond to customer requests within 3 business days.