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Red Yellow Green Beads Children Vision Convergence Training Tool Sight Focusing Training
Specifications:
- Type: Vision Training
- Size: beads diameter:1.8cm(0.7'')
- Power Source: None Electric
- Model Number: Vision Training
- Material: Other
- Manufacturing Process: Machine Made
- Brand Name: JCSYFAC
- Free shipping
- 100 days returns
- Low prices
- 5 million products