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Demonstration Instrument for Energy Conversion of Physics Teaching Equipment Puzzle Toys
Specifications:
- type: conversion of energy
- Texture of material: xyloid
- Subject: Physics
- Specifications: 7*6*9cm
- Model Number: Physics
- Age of application: 7-14 years old
- Origin: CN(Origin)
- Free shipping
- 100 days returns
- Low prices
- 5 million products