A small, handheld wooden interlocking brain teaser puzzle rooted in the tradition of the Kongming lock — also known as the Luban lock — a classic Chinese 3D puzzle design where concave and convex pieces mesh together in a precise, satisfying fit. Each puzzle style challenges hands and mind together: pulling apart and reassembling the interlocking wooden pieces requires visual-spatial thinking, fine motor coordination, and calm, deliberate attention. Available in 12 different styles, each with its own internal structure and shape. No batteries, no screens, no noise. Just wood, hands, and focus.
We carry this at EOWD because small, portable, screen-free activities matter in neurodivergent households and busy caregiver routines. These puzzles are easy to tuck into a bag for waiting rooms, travel, or on-the-go moments, and just as useful at home in a calm corner, at the table during downtime, or as a shared activity between a caregiver and child. The 12-style variety means there’s always a new challenge to try — and the small size makes them approachable for hands of all ages, from older children to adults.
This product supports problem-solving, tactile play, quiet activity, fine motor skills, screen-free engagement, and caregiver-friendly connection. It is not intended to treat, cure, or prevent any condition.
Pick a style. Work it out. Try the next one.
Available Styles:
12 puzzle styles (Style 1–12) — each a different interlocking shape and internal structure. Select your style from the variant options.
Product Specs
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Type: 3D interlocking wooden brain teaser — Kongming lock / Luban lock style
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Material: Beech wood — natural wood lacquer, non-toxic, odorless, smooth, wear-resistant
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Style: 12 different designs, each with a unique internal interlocking structure
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Size: Small/handheld
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Gender: Unisex
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Age Range: Ages 6 and up
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Weight: 0.04kg (1.4 oz) per puzzle
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Power: None — no batteries required
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Safety Note: Small parts — not suitable for children under 6. Adult supervision recommended for younger children.
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Country of Origin: [Confirm with supplier]
- Brand: Stevvex Baby
- Model: ST15BY42879HGVLO
- Vendor/Supplier: Stevvex (via Shopify Collective)
