A friend requested for this, and I have also wanted to do this for myself. Here is a list of the Montessori materials listed in the order of introduction according to age. It is not a full list, but cherry-picked based on what I feel are the most useful materials:
Montessori Infant Materials
- Sandpaper (Age 3 months up)
- Imbucare Box w/Knitted Ball (Age 6 months up)
Montessori Sensorial Materials
- Rough & Smooth Board (Age 2 up) (No need to buy, make it yourself)
- Sound Cylinders (Age 2 up) (No need to buy, make it yourself)
- Smelling Jars (Age 2 up) (No need to buy, make it yourself)
- Fabric Box (Age 2 up) (No need to buy, make it yourself)
- Geometric Solids (Age 2 up)
- Tasting Bottles (Age 2 up) (No need to buy, make it yourself)
- Mystery Box (Age 2 up) (No need to buy, make it yourself)
- Knobbed Cylinders (Age 2 up)
- Pink Tower (Age 2.5 up) (No need to buy, use baby toy nesting boxes)
- Brown Stair (Age 2.5 up)
- Knobless Cylinders (Age 4.5 up)
- Binomial Cube (Age 3 up)
- Trinomial Cube (Age 3 up)
- Power of 2 Cube (Age 3 up)
- Color Box 3 (Age 3.5 up)
- Algebraic Trinomial Cube (Age 3.5 up)
- Arithmetic Trinomial Cube (Age 3.5 up)
- Red Rods (Age 3.5 up) (No need to buy, use the Small Number Rods)
Montessori Language Materials
- Sandpaper Letters (Age 3 up)
- Metal Insets w Tracing Tray (Age 4 up)
Montessori Mathematics Materials
- Fraction Skittles (Age 2.5 up)(No need to buy, use the Cut-Out Labeled Fraction Circles)
- Colored Bead Stair (Age 3.5 up) (No need to buy, use Decanomial Bead Box)
- Sandpaper Numbers (Age 3.5 up)
- Small Number Rods (Age 3.5 up)
- Spindle Boxes (Age 4 up) (No need to buy, make it yourself)
- Number Cards & Counters (Age 4 up) (No need to buy, use ordinary counters)
- Memory Game (Age 4 up) (No need to buy, make it yourself)
- Decimal Quantity Tray (Age 4 up) (No need to buy, the Golden Bead Materials)
- Large Number Cards (Age 4 up) (No need to buy, print them from the net)
- Decimal System Tray (Age 4 up) (No need to buy, the Golden Bead Materials)
- Golden Bead Materials (50 units, 10 squares, 9 cubes) (Age 4 up)
- Bead Cabinet (Cubes, squares, chains) (Age 4 up)
- Constructive Triangles – Triangle Box (Age 4 up)
- Constructive Triangles – Rectangle Box (Age 4 up)
- Constructive Triangles – Blue Rectangle Box (Age 4 up)
- Constructive Triangles – Large Hexagonal Box (Age 4 up)
- Constructive Triangles – Small Hexagonal Box (Age 4 up)
- Table of Pythagoras (Sensorial Decanomial) (Age 4 up)
- Decanomial Bead Box (Age 4.5 up)
- Teen Bead Hanger (Age 4.5 up)
- Teen Board (Age 4.5 up)
- Ten Board (Age 4.5 up)
- Hundred Chain (Age 4.5 up) (No need to buy, use the Bead Cabinet)
- Hundred Board (Age 4.5 up)
- Metal Fraction Circles (Age 4.5 up)
- Short Bead Chains (Squares) (Age 5 up) (No need to buy, use the Bead Cabinet)
- Thousand Chain (Age 5 up) (No need to buy, use the Bead Cabinet)
- Plus & Equal Symbol (Age 5 up) (No need to buy, make it yourself)
- Addition Board (Age 5 up) (No need to buy, make it yourself)
- The Stamp Game (Age 5 up)
- Minus Symbol (Age 5 up) (No need to buy, make it yourself)
- Subtraction Board (Age 5 up) (No need to buy, make it yourself)
- Long Bead Chains (Cubes) (Age 5.5 up) (No need to buy, use the Bead Cabinet)
- Addition Snake Game (Age 5.5 up) (No need to buy, use the Elementary Negative Snake Game)
- Addition Strip Board (Age 5.5 up)
- Addition Working Charts (Age 5.5 up)
- Subtraction Snake Game (Age 5.5 up) (No need to buy, use the Elementary Negative Snake Game)
- Subtraction Strip Board (Age 5.5 up)
- Subtraction Working Charts (Age 5.5 up)
- Color Chips (Age 5.5 up)
- Multiplication Symbol (Age 6 up) (No need to buy, make it yourself)
- Multiplication Bead Board (Age 6 up)
- Multiplication Snake Game (Age 6 up)(No need to buy, use the Elementary Negative Snake Game)
- Multiplication Working Charts (Age 6 up)
- Pythagoras Multiplication Board (Age 6 up)
- Division Symbol (Age 6 up)(No need to buy, make it yourself)
- Division Bead Board (Age 6 up) (No need to buy, use the Long Division (Racks and Tubes))
- Division Working Charts (Age 6 up)
- Small Bead Frame (Age 6.5 up) (No need to buy, use the Large Bead Frame)
- The Dot Game (Age 6.5 up) (No need to buy, make it yourself using Excel)
- Power of 2 Cube (Age 7 up)
- Power of 3 Cube (Age 7 up)
- Large Bead Frame (Age 7 up)
- Multiplication Checker Board (Age 7.5 up)
- Multiplication Decimal Checker Board (Age 7.5 up)
- Long Division (Racks and Tubes) (Age 7.5 up)
- The Elementary Negative Snake Game (Age 9-12)
- Decimal Fraction Board (Age 9-12)
- Cut-Out Labeled Fraction Circles (Age 5 up) (No need to buy, make it yourself)
- Introduction to Types of Angles (Age 9-12)
- Yellow Area Material (Age 9-12)
- Small Square Root Board (Age 9-12) (No need to buy, use the Wooden Peg Board with Pegs)
- Wooden Peg Board with Pegs (Age 9-12)
- Patterns of Square Root (Age 9-12)