Collection: Classic K'NEX:
We use the term "Classic K'NEX" to refer to the original size of K'NEX pieces, as shown in the picture.
All the K’NEX parts may vary from used to new condition and have been obtained from multiple sourcing options.
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K'nex Metallic Blue Screamin Serpent Sound Unit Knex
Regular price $3.86 USDRegular priceUnit price / per -
K'NEX Micro battery motor Metallic Blue Knex
Regular price $16.95 USDRegular priceUnit price / perSold out -
K'NEX Racing wheel Slick 37mm (1.5in.) Knex
Regular price $1.10 USDRegular priceUnit price / per -
K'nex Reflective Sticker W/ Piece Screamin Serpent Knex
Regular price $0.99 USDRegular priceUnit price / per -
K'NEX Square Panel medium Black Knex
Regular price $1.35 USDRegular priceUnit price / per -
K'NEX Square Panel mini Black Knex
Regular price $0.45 USDRegular priceUnit price / per -
K'NEX Square Panel mini Fluorescent blue Knex
Regular price $0.45 USDRegular priceUnit price / per -
K'NEX Square Panel small Black Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Square Panel small Green Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Square Panel small Silver Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'nex TRACK SPLICE Red Knex
Regular price $0.99 USDRegular priceUnit price / per -
K'NEX Tri Panel Black Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Tri Panel Blue Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Tri Panel large Blue Knex
Regular price $1.85 USDRegular priceUnit price / per -
K'NEX Tri Panel large Silver Knex
Regular price $2.25 USDRegular priceUnit price / per -
K'NEX Tri Panel medium Orange Knex
Regular price $0.60 USDRegular priceUnit price / per -
K'NEX Tri Panel medium Yellow Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Black Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Blue Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Fluorescent blue Knex
Regular price $0.15 USDRegular priceUnit price / per -
Sold out
K'NEX Tri Panel mini Purple Knex
Regular price $0.15 USDRegular priceUnit price / perSold out -
K'NEX Tri Panel mini Red Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Green Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Orange Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel mini Silver Knex
Regular price $0.15 USDRegular priceUnit price / per -
K'NEX Tri Panel small Black Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Tri Panel small Blue Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Tri Panel small Fluorescent blue Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Tri Panel small Orange Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Tri Panel small Silver Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Wheel Narrow 100mm Chrome Knex
Regular price $7.45 USDRegular priceUnit price / per -
K'NEX Wheel Wide 92mm Chrome Knex
Regular price $7.95 USDRegular priceUnit price / per -
K'nex Yellow Curved Panel or Blade Knex
Regular price $1.29 USDRegular priceUnit price / per -
Knex Green Loopin' Lizard Flexi-Tube Knex
Regular price $3.95 USDRegular priceUnit price / per -
K'NEX Clip with Rod end Silver Knex
Regular price $0.30 USDRegular priceUnit price / per -
K'NEX Classic Fast battery motor Silver Knex
Regular price $16.95 USDRegular priceUnit price / perSold out