About This

Ideal for party games, family games, office toys, relaxation and killing time, decompression toys.
The Kongming lock is made of bamboo and the metal lock is made of thick and durable stainless steel.
Products can train your creative thinking, exercise hands-on ability, and develop problem-solving skills.
The perfect size makes it easy to operate with small hands and big hands, and you can practice concentration.
Brain Teaser 12 Sets : 4 Wooden 3D Puzzles + 8 Iron Metal Puzzles，Includes prompt instructions.Recommended for use over 6 years of age.

Frequently Asked Questions

Everything you need to know about our educational toys and STEM products

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.