$ 108

Focus Training Book Set

🧠 Designed for Ages 3-12: A Scientific Paper Mechanism for Deep Cognitive Training

 

Material Specifications

▸ Paper Thickness: 250g/m² gray cardboard
▸ Durability: >10,000 open/close tests
▸ Ink Adhesion: Passes ASTM F963-17 migration test

 

Training Guidelines

🔹 Recommended daily training duration: ≤ 25 minutes
🔹 Use a timer hourglass to cultivate a sense of time
🔹 Avoid direct sunlight to prevent paper deterioration

 

Make every page turn a precise operation in reshaping brain connections!

$ 78

Infant Early Education Cognitive Development Set

📚 Designed for Ages 0-3: A Purely Physical Interaction Journey to Awaken Infants' Five Senses

 

Core Design Philosophy

✅ Safe Interactive Structure
▸ 3mm thick food-grade cardboard, tear-resistant
▸ All-round corner anti-collision design
▸ Non-toxic soy ink printing

 

Material Specifications

▸ Cardboard Thickness: 3mm (made from European birch pulp)
▸ Durability: >5,000 bending tests
▸ Ink Adhesion: Level 4 (GB/T 13217.7 standard)

 

Usage Guidelines

🔹 Recommended parent-child reading time: < 15 minutes per session
🔹 Avoid prolonged direct sunlight to prevent fading

 

Make every page turn a ritual of brain development awakening!