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 Rod 54mm Metallic blue (2 1/4in.) Knex
Regular price $0.05 USDRegular priceUnit price / per -
K'NEX Rod 86mm Grey granite (3 7/16in.)
Regular price $0.07 USDRegular priceUnit price / per -
(20) K'nex Gears Lot Red, Yellow, Blue, Gray, Brown W/ Clips Knex (10% discount)
Regular price $16.95 USDRegular priceUnit price / per -
K'NEX Gear medium Red Knex
Regular price $0.60 USDRegular priceUnit price / per -
K'NEX Gear small Mid blue Knex
Regular price $0.79 USDRegular priceUnit price / per -
K'NEX Square Panel large Blue Knex
Regular price $3.00 USDRegular priceUnit price / per -
K'NEX Wheel Small Knex
Regular price $0.60 USDRegular priceUnit price / per -
K'NEX Clip with Splice end Orange Knex
Regular price $0.25 USDRegular priceUnit price / per -
K'NEX Ball and socket Large Knex
Regular price $0.99 USDRegular priceUnit price / per -
K'NEX Flexi rod 52mm Mid blue (2in.) Knex
Regular price $0.08 USDRegular priceUnit price / per -
K'NEX Rod 54mm Bright Blue (2 1/4in.) Knex
Regular price $0.05 USDRegular priceUnit price / per -
K'NEX Rigid rod 128mm Tan (5 1/8in.) Knex
Regular price $0.35 USDRegular priceUnit price / per -
K'NEX Flexi Rod 190mm Fluorescent Yellow (7.5in.) Knex
Regular price $0.19 USDRegular priceUnit price / per -
K'NEXMAN Robot figure Blue (kit form) Knex
Regular price $4.95 USDRegular priceUnit price / per -
K'NEX Track Tube Red - 7.62+m (25+ft) length Knex
Regular price $18.95 USDRegular priceUnit price / per -
50 Random Colored K'NEX Mini Tri Panels Red, Blue, Green, Red, Orange, Silver, Black (10% Discount)
Regular price $6.82 USDRegular priceUnit price / per -
25 Random Colored K'NEX Small Tri Panels Red, Blue, Green, Red, Orange, Silver, Black (10% Discount
Regular price $6.82 USDRegular priceUnit price / per -
K'NEX Crown gear medium Grey Knex
Regular price $1.95 USDRegular priceUnit price / per -
K'NEX Fast spring-powered motor Knex
Regular price $4.40 USDRegular priceUnit price / per -
K'NEX Gear Multi-track Green Knex
Regular price $31.49 USDRegular priceUnit price / per -
K'NEX Gear small Push-on Grey Knex
Regular price $0.24 USDRegular priceUnit price / per -
K'NEX Hinge - Green half Knex
Regular price $0.25 USDRegular priceUnit price / per -
K'NEX Hub/Pulley Small Grey Knex
Regular price $0.06 USDRegular priceUnit price / per -
K'NEX Square Panel small Red Knex
Regular price $0.85 USDRegular priceUnit price / per -
K'NEX Squared Battery Motor Red Short lead Knex
Regular price $16.95 USDRegular priceUnit price / per -
K'NEX Wheel Huge Orange soft tyre Knex
Regular price $3.99 USDRegular priceUnit price / per -
K'NEX Wheel Medium Knex
Regular price $1.69 USDRegular priceUnit price / per -
K'NEX Wheel Narrow 60mm Knex
Regular price $1.65 USDRegular priceUnit price / per -
K'NEX Battery Motor Green Knex
Regular price $16.95 USDRegular priceUnit price / per -
K'NEX Ball 50mm Green Knex
Regular price $3.95 USDRegular priceUnit price / per -
K'nex AC Motor w/Worm, Adapter & White Worm Gear Knex
Regular price $39.95 USDRegular priceUnit price / per -
K'NEX Clip with Hole end Purple Knex
Regular price $0.10 USDRegular priceUnit price / per -
K'NEX Connector 3-way Dark grey granite Knex
Regular price $0.06 USDRegular priceUnit price / per -
K'NEX Connector 3-way Fluorescent Red Knex
Regular price $0.28 USDRegular priceUnit price / per -
K'NEX Connector 4-way Green Knex
Regular price $0.06 USDRegular priceUnit price / per -
K'NEX Connector 5-way Gold Knex
Regular price $0.18 USDRegular priceUnit price / per