This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with The Brown Stair indirectly prepares the child for concepts in plane geometry, area and volume.
The Pegboard with Colored Pegs helps develop a user’s manual dexterity and hand-eye coordination.Pegs can be inserted in the Pegboard with Colored Pegs to make patterns or group of colors
The Teen Board uses the knowledge of the bead stair to introduce the quantities and vocabulary of numbers 11-19. The Tens Board visually introduces the quantity, vocabulary, order and symbols of numbers 10, 20, 30, 40, 50, 60, 70, 80 and 90, and 1-99.
This Mathematical Box provide more practice with addition, subtraction, multiplication and division for the child
The Sandpaper Letters allow the child to understand writing before they can hold a pencil. The child uses three of the five senses; tactile, auditory and sight to learn the sound and formation of each letter
The cylinders are graded from very soft to loud and each cylinder has either a red or green top and is contained in a wooden box with a matching red or green lid