Sum Of Squares Of First n Natural Numbers
Model No :-
Note :- We provide products customized to your requirements.
Description
Product Specification :
- ABS plasticcubes with sides 20mm accurate size,
- 5 mm to 8 mm dia holes,
- With depth of 5mm on five faces. Sixth face will have a Leg to push fit into the holes. (Unfix cubes).
