125-Bulk Pack Amber Wide Mouth HDPE Reagent Bottles with PP Caps and UV Shielding, 500mL, -100 to 120°C Subcategory_Water Baths this ray box gives students

this ray box gives students a controllable light source for reflection

Square-section aluminum 42-inch bench graduated in 1cm steps along its 100cm rail

the wider reflective surface accommodating wider beams and full-figure reflection demonstrations

5 inches producing 50-60 dots per second via a vibrating striker

Rotating DNA double helix model demonstrates base pair complementarity

125-Bulk Pack Amber Wide Mouth HDPE Reagent Bottles with PP Caps and UV Shielding, 500mL, -100 to 120°C Subcategory_Water Baths this ray box gives studentsAmber HDPE wide mouth reagent bottles hold 500mL each in a 125 count bulk pack with UV blocking walls for photosensitive chemical storage.