• Trinomial square is contained in a wooden box with a lid having 9 hard board tablets painted red, blue, yellow and black.
• The trinomial square is a concrete representation of the algebraic formula (a+b+c)2. 
• The factors of the equation are represented by the pieces.
• The elementary montessori child uses the trinomial square as the activity of algebraic exploration.
• This can be used as a puzzle at the age of 6 years and later to give practical demonstration of  (a+b+c)2 formula to 10 years old.
• Child can also learn (a+b)2 formula using this product.

Specification:

Color	Blue, Red, Yellow and Black
Power	Not required
Materials used	Wood
Recommended age	6 years and above
Country of origin	India
Size (Each Plate)	120x120x26 mm