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20*20*20&15*15*15mm Optical Prism Rainbow Cube of Light Color Large A Children's Science Experiment
Specifications:
- Size: 20*20*20&15*15*15mm
- Dimension Tolerance: 0.01-0.2
- Certification: NONE
- Origin: CN(Origin)
- Surface: 60/40
- Shape: Cube
- Model Number: Cube Prism
- Material: K9
- Flatness: Cube Prism
- Angle Tolerance: 3'
- Secure payments
- Free returns*
- Low prices
- 5 million products