Baluue Density Cubes Set 4Pcs Copper Iron Aluminum Wood 0.78 Inch Blocks for Science Experiments Teaching Tools Lab Equipment
Size2x2cm
Special Features
- 4 different materials for easy comparison
- The storage box packaging is convenient to take and carry
- Digital control processing technology, precise size
- Competitively priced and reliable quality
- Onepiece molding, flat and smooth
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