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The K'Nex construction toy originally consisted of 19 different interlocking K'NEX pieces of two types, positives and negatives and neutrals. Snapping rods into connectors is the basis of building structures out of K'NEX. The majority of inflexible K'Nex pieces are made out of Celcon (Polyoxymethylene) plastic. This page lists the most common pieces that have been introduced since the first K'Nex release in 1992.
Contents
Connectors
Connectors are various shapes and colors, with each color of connector having a different number of slots for rods. Some connectors, such as violet and blue connectors, have slots that allow them to interlock with each other and form three-dimensional bases to snap rods into.
Some specific types of connectors include:
Rods
Rods come in several lengths, styles, and colors, but all are the same width, 1⁄4", to snap in to connectors.
Other pieces
Many K'NEX sets also have special pieces, as seen above. These pieces typically are used in the construction of the specific model in the instructions of the set, and are not found in every set.