Frequently Asked Questions
1. What age are your DIY kits suitable for?
Most of our DIY STEM kits are recommended for children ages 6 and up. Some models may require adult supervision depending on the child’s age and assembly experience.
2. Do the kits require soldering?
Most of our products do not require soldering. They are designed to be easy to assemble with simple tools and step-by-step instructions.
3. Are English instructions included?
Yes. Most products include English assembly instructions. If you need a digital version of the manual, please contact us and we’ll be happy to provide it.
4. Are these real working models or just display models?
Many of our kits are functional models. Depending on the product, they may move, play sound, receive radio signals, communicate, or be controlled remotely. Please check the individual product page for specific functions.
5. How long does shipping take?
Most orders are delivered within approximately 7–12 business days. Delivery times may vary depending on your location, warehouse availability, and the shipping carrier.
6. Where do you ship from?
Some products are shipped from our U.S. warehouse, while others may be shipped from our international fulfillment centers depending on inventory availability.
7. How can I track my order?
Once your order has shipped, you will receive a shipping confirmation email with your tracking information. Tracking updates may take a few days to appear after shipment.
8. What should I do if my package is delayed or cannot be delivered?
Please contact us with your order number. We will check the shipping status with the carrier and help arrange redelivery or another solution when necessary.
9. What if a part is missing or damaged?
Please contact our customer service team and provide your order number along with photos or a short video showing the issue. We will help you troubleshoot the problem and arrange replacement parts when appropriate.
10. What if the product does not work after assembly?
Don’t worry. Many issues can be solved with a few simple setup steps. Send us your order number, photos, or a short video, and our support team will help you check the assembly, wiring, batteries, pairing, or operating steps.
11. Can I return or exchange my order?
Yes. Returns and exchanges are available according to our Return & Refund Policy. Please review our policy before sending any item back, or contact us for assistance.
12. How can I contact you?
If you have any questions about your order, assembly, shipping, or product use, please contact our customer support team. We’ll be happy to help.