Montessori Homeschooling family set of 20 pieces

There are 20 mini montessori materials:

Knobbed Cylinders
Pink Tower
Brown Stair
Colour Box
Constructive Triangles
Uppercase Sandpaper Letters (all blue)
Mystery Bag
Binomial cube
Number Rods
Spindle Box
Numbers and Counters
Hundred Board
Introduction to Decimal System
Bead Stair
Stamp Game
Addition Strip Board
Subtraction Strip Board
Multiplication Board
Division Board
Fraction Skittles

Measurement: 73.5*22*62.5 cm