Proprietary invisible OID dot coding overlaid without degrading illustration vibrancy or color accuracy
Direct Shenzhen factory · OEM / ODM available
Hardcover Interactive Sound Picture Books (OID Micro-Matrix Printed)
Heavy-duty board books and hardcover picture books with invisible micro-dot audio printing.
Printed on Heidelberg speedmaster presses with computer-calibrated invisible micro-matrix code density, ensuring a 99.9% first-touch read success rate when paired with our optical reading pens.

Designed for screen-free early learning
A complete product platform, not just a single SKU.
This model is engineered to help publishers, toy importers and educational brands create a ready-to-sell learning experience. From reliable core technology to packaging and localized content, the manufacturing program can be configured around your market.
Water-resistant drool-proof and wipe-clean surface safe for toddlers and nursery group reading
Smooth rounded edge die-cuts to eliminate paper-cut hazards
Interactive multi-zone sound triggers: touch text for pronunciation, touch character for dialog, touch background for ambient sound
Production-ready engineering detail
- Book / media format
- Custom page counts: 12 / 24 / 36 / 48 thick laminated board pages
- Audio languages
- Unlimited bilingual & multilingual voice tracks matched to reading pens
- Power & battery
- N/A (Passive micro-matrix print layer) or built-in touch sound module
- Dimensions & weight
- Custom sizes (Standard: 210 x 285 mm, 185 x 185 mm board book)
- Materials
- 400gsm grayboard with double-sided matte film lamination + Heidelberg 6-color print
- Recommended age
- Ages 1 - 7 years
- Charging / transfer
- N/A
Build your own market-ready version.
Choose the commercial scope that fits your launch: private-label branding, localized audio, retail packaging or a full custom product program with engineering support.
For approved logo, color and packaging artwork on available platforms.
Client manuscript layout, audio timeline coordination & dot code authoring
Foil stamping, spot UV, embossed covers, and custom slipcase sets
Bilingual paired dictionary editions (English-German, English-French, English-Spanish)
Documentation aligned to your destination market.
We support pre-shipment quality control and can prepare product specifications, production records and relevant test documentation for your EU or North American launch process.


