DIY Floating Pen Principle Of Suspension STEM Magic Fun Educational Science Toy
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Product Details
DIY Floating Pen Principle Of Suspension Educational Toy
Description:
Item No.: DX 125 Floating Pen
Size: 150*80*58mm
Weight: 100g
Color: As the picture.
The principle: Poles repel
Package Included:
1 × DIY Floating Pen Kits