Plastic Stacking Masses - Set of 40
Product Number: TB17536
In Stock (Ships within 1-2 business days)
These square masses work on any balance. Color-coded pieces make measurement easy (1 g = yellow, 5 g = orange, 10 g = purple, 20 g = pink). This 220 g set includes twenty 1 g, ten 5 g, five 10 g, and five 20 g. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.