Manipulatives

Classroom Learning to Improve Motor Efficiency (CLIME)
Designed to help students improve fine motor, visual processing, organization, attention, sensory, and gross motor skills.
http://www.educlime.com

ETA/Cuisenaire
Math and science manipulatives.
http://www.etacuisenaire.com/

Flexitable
A tactile tool for learning the multiplication tables. Includes history.
http://www.flexitable.co.uk/

Fractiles-7
Magnetic tiling system based on the number 7 lets student create complex patterns.
http://www.fractiles.com/

Fraction Islands
Colorful manipulatives with which students model fractions, as well as addition, subtraction, multiplication, and division of fractions on a geoboard.
http://www.fractionislands.org/

HappyMath Multiplication Kit
Combines rhymes, color, pictures, and sound effects to help students memorize multiplication tables.
http://www.happymath.com/

Jovo Click 'N Construct
Connecting polygons to build models. Includes gallery of constructions, VRML images, lesson planning ideas, and ordering information.
http://www.jovotoys.com/

Mathematics Models
A set of eight die-cast metal models of the five Platonic solids and three Archimedean solids.
http://www.peda.com/models/

SI Manufacturing
Canada's leading manufacturer of mathematics, measurement, science and technology manipulatives for early childhood and primary grades.
http://www.si-manufacturing.com/

Tomaker
Learning system for children aged 12 and under, using cards, colors, various characters, and tribes to which the kids can belong. Offers online ordering.
http://tomaker.com

Zome System
Design tool and educational toy for teaching solid geometry, science, art, engineering and architecture. For children through adults.
http://www.zometool.com/