TERASYNA™ is a children's puzzle brand focused on playful pictures, hands-on discovery, and the enjoyment of bringing a picture together one piece at a time.

Our approach combines engaging puzzle themes with straightforward product information to help families choose an activity suited to their interests.

TERASYNA™ is owned and operated by Xuzhou Peiya Intelligent Technology Co., Ltd. The company manages this website, provides customer support, and operates the TERASYNA™ online store.

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.

TERASYNA™ offers children's puzzles. Themes, piece counts, materials, sizes, and included accessories vary by product.

Please review each product page for its exact specifications, recommended age, package contents, and any applicable warnings.

Start with the recommended age and warnings shown on the selected product. Consider the child's puzzle experience, interests, and comfort with the piece count, piece size, and picture complexity.

If you need help understanding a product's details, email us its name or page link.

No. Age guidance is product-specific. Check the product page and packaging rather than assuming that every puzzle in the collection is suitable for the same age.

Puzzles containing small parts are not suitable for children under three. Follow all supplied warnings and supervision instructions.

Follow the instructions supplied with your selected puzzle. Use a clean, dry, stable surface with enough space for the finished picture and loose pieces.

Where included, the reference picture can help identify colors, borders, and details. Keep small pieces away from younger children and pets.

Package contents vary by product. Some puzzles may include a reference picture, activity card, or storage accessory where specifically listed.

Please check the individual product description for the exact contents. Accessories shown for styling are not included unless expressly stated.

Completion time varies with the puzzle, the child's experience, and whether they play independently or with someone else. There is no fixed completion time.

Allow children to explore at their own pace and take breaks when needed.

Contact service@terasyna.com with your order number, product name, and a description of the issue. Include clear photos of the puzzle, packaging, and any damaged pieces where applicable.

Our team will review the information and explain the available options. Individual replacement pieces may not be available for every product.

Follow the care instructions supplied with your product. Unless those instructions permit otherwise, avoid soaking pieces, abrasive cleaners, and excessive moisture.

Store pieces together in a dry place away from direct heat and prolonged sunlight. Check for damage before play and discontinue use of damaged pieces.

Yes. Printing characteristics, lighting, and device displays may cause slight differences in color or appearance.

If your item appears defective or materially different from its description, contact our support team with your order details and relevant photos.

Estimated delivery is 3–7 business days after shipment. Order processing takes place before dispatch and is separate from this delivery estimate.

Delivery progress may vary depending on the destination, transportation conditions, and other external factors. Please review our Shipping Policy for complete details.

Available tracking information will be provided after shipment so you can follow delivery progress. Please allow time for the carrier to update tracking details after dispatch.

If tracking does not update for an extended period, please contact our customer support team.

Contact service@terasyna.com if your package experiences an unusual delay or delivery issue. Include your order number, available tracking details, and a description of the issue.

You may request a return for an eligible product within 30 calendar days after delivery. Items should generally be unused, in their original condition, and complete with all included pieces, components, and accessories.

Please review our Return & Refund Policy for full eligibility requirements. For a defective, damaged, or incomplete item, contact support with details so we can review the issue. Contact our team before sending any item back.

Email service@terasyna.com and include:

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

Our team will review your request and provide further instructions. Please do not send a return to our registered business address unless specifically instructed.

Eligible refunds are processed within 7–10 business days following receipt and review of an approved return.

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

Please review our Privacy Policy for information about how TERASYNA™ collects, uses, and handles personal information when you browse the website, place an order, or contact support.

If you need to correct order information, contact our customer support team as soon as possible. We will review your request and provide available assistance.

Changes may not be possible once an order has been processed or dispatched.

Our main policies are available through the website navigation and footer links, including:

• Privacy Policy
• Shipping Policy
• Return & Refund Policy
• Terms and Conditions
• Terms of Use

Please review these pages for detailed information about our store and services.