rubber band power car wind car making science experiment equipment for middle school science popularization teaching aids science and technology small production science and education
橡筋动力车风力车做中学科学实验器材科普教具科技小制作科教
EXW Price:Min. order:
¥6.0
≥2/piece
¥5.0
≥50/piece
¥4.0
≥10000/piece
2 piece
Exchage Rate 1 CNY ≈ 0.142 USD
Weight0.15 kg/piece
Stock num
50000 piece
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