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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
This 22-layer/11-layer model (two complete turns of the double helix) is designed for self-assembly
If you need a custom order with different sizes
Excellent for frieze work
Consists of 24 small compasses
It's ideal for Laboratory and Industrial use
40 Holes Plastic Test Tube Racks Consumables This 22-layer/11-layer model (two completeIncluded: Lab Rack 40 Test Tube Holes No Wire White Color Holds 40 Tubes. Premium Quality: Plastic test tube racks are made of sturdy plastic, non toxic and eco friendly. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
US$ 21.15
US$ 175.00
US$ 18.39
US$ 14.29
US$ 225.00
