Made of durable plastic to last. Set contains 250 pieces in 6 shapes and colors.

Includes 25 yellow hexagons, 25 orange squares, 50 green triangles, 50 red trapezoids, 50 blue rhombuses and 50 tan thin rhombuses.

- Probability
- Paper Collection
- NumberFrameMate / Rekenrek
- Counting & Sorting
- Cubes and Rods
- Multilink Cubes
- Numbers
- Dice & Cards
- Dominoes
- Number line
- Graphing
- Hundreds Boards
- Multiplication
- Color Tiles
- Addition & Subtraction
- Base Ten
- Money
- Time
- Equivalence
- Fractions
- Pattern Blocks/Symmetry
- Deci-Blocks
- Geoboards
- Algebra
- Geometry
- Attribute Blocks
- Pentominoes/Tangrams
- Place Value
- Polydron
- Transparent Materials

Deluxe 1cm Plastic Pattern Blocks

Made of durable plastic to last. Set contains 250 pieces in 6 shapes and colors.

Includes 25 yellow hexagons, 25 orange squares, 50 green triangles, 50 red trapezoids, 50 blue rhombuses and 50 tan thin rhombuses.

Ideal for illustrating block diagrams. The free-standing beech wood frame is designed to hold .79"' (2 cm) cubes. Results can be recorded on the inset write/wipe boards on the vertical and horizontal axes. Marker included.

Desk-top blocks made of top-quality polystyrene plastic. With the attributes of size, shape, color and thickness, they assist in the development of problem solving using logic. The related sizes make them useful for demonstrating fractions and their relationships. Set contains 60 pieces in 5 shapes, 2 thicknesses, 2 sizes and 3 colors, plus a storage tray, and a teacher’s guide from the SI Resource Series.

Overhead Hundred Number Boards

Set of 3 transparent grids (81/4"' x 81/4"') numbered 0-99, 1-100 and unnumbered with 3/4"' squares.These boards are compatible with 3/4" overhead color tiles (page 10)

Platonic Solids Set (Starter Set)

Build all five Platonic Solids with this versatile set. Contains 32 equilateral triangles, 12 pentagons and 6 squares.

9" Isometric/Square Array Rainbow Geoboards (Double-Sided)

Set of 6, brightly colored, durable plastic 9"' geoboards. One side has a 3/4"' isometric arrangement of pins and the other side has an 11 x 11 pin square array.

Four-color plastic set of algebra tiles that are double sided. Contains 35 pieces (5 X^{2}, 10 X and 20 units). Allows student to build geometric models of polynomials and explore first-hand the concepts related to them. Grades 8-12.

20907 Set

Ten-Frames are two-by-five rectangular frames into which counters are placed to illustrate numbers less then or equal to ten, and are therefore useful devices for developing numbers sense within the context of ten.