Hexagon Plastic Weights. Set of 54 pieces

Hexagon Plastic Weights consists of
1g x 20, blue color                                                        
5g x 20,  green color                                      
10g x 10, yellow color                                                
20g x 4 ,red color                              
One set packed into one round shape plastic tube.
It allows student to accurately model a weight ranging from 1g to 292g.
It is made of plastic and there are different colours for different weights to
facilitate the learning and comprehending the concepts of mass and weights.