18,000+ results for k'nex
- 600 KNEX RODS & CONNECTORS Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$42.59Was: $48.95 13% offFree shippingFree returnsSave up to 15% when you buy more
- K'Nex KNex Pieces Lot 15 PoundsOpens in a new window or tabPre-Owned$79.99Top Rated Plus+$29.99 shippingFree returns
- K'nex ANGRY BIRDS Lot Space Birds Pigs Miscellaneous Red Blue Bomb Helmet IceOpens in a new window or tabPre-Owned$27.00Free shipping
- K'NEX DISNEY PARKS SPACE MOUNTAIN BUILDING SET NEW WITHOUT BOX 100% CompleteOpens in a new window or tabBrand New$49.990 bids · Time left14h 5m+$15.25 shipping
- K-nex Education 100s if not over 1000 pieces unknown kit Large full boxOpens in a new window or tabPre-Owned$9.990 bids · Time left1h 23m$89.00Buy It Now+$11.41 shipping
- 200 KNEX Rods & Connectors Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$17.95Top Rated PlusFree 2-3 day shippingFree returnsSave up to 20% when you buy more
- K'nex Builder Basics 35 Different Model Building Set Variety. 90’s Building ToysOpens in a new window or tabPre-Owned$16.97Free shipping
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Sponsored | Top selling items from highly rated sellers with free shipping- K’NEX TITANFALL #69504 MILITIA OGRE TITAN Building Set 195 PCS NEW IN BOXOpens in a new window or tabBrand New$69.97Free shippingLast one
- 500 KNEX Rods & Connectors Mix w/4 Wheels Standard Classic Parts Replace K'NEXOpens in a new window or tabPre-Owned$36.95Free 2-4 day shippingSave up to 10% when you buy more
- K'nex Lot Pieces 14+ Pounds Rods Connectors Gears ++Opens in a new window or tabPre-Owned$68.95Free shipping
- K’nex Mario Kart Mario And Standard Kart Building SetOpens in a new window or tabBrand New$13.39+$5.62 shipping
- K'NEX REPLACEMENT PARTS PIECES - TIRES WHEELS GEARS - LOT OF 35Opens in a new window or tabPre-Owned$18.000 bids · Time left5d 12hFree shipping
- 800 KNEX RODS & CONNECTORS Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$69.95Free 2-4 day shippingAlmost gone
- (200) K'nex Neon Yellow Coaster Track Connector KNEX Cross Tie Rippin RocketOpens in a new window or tabPre-Owned$29.98Free shippingFree returnsSave up to 15% when you buy more
- 200 KNEX RODS Mixed Standard Replacement Parts Yellow Red Gray Black Tan K'NEXOpens in a new window or tabPre-Owned$18.95Top Rated PlusFree 2-3 day shippingFree returnsSave up to 15% when you buy more
- K'nex Double Shot Coaster Building Set 1113 Pc Knex Motorized DoubleshotOpens in a new window or tabPre-Owned$20.000 bids · Time left16h 1m$40.00Buy It Now+$7.31 shipping
- 100 NEW Knex Yellow Rods 3-7/16" - Standard K'nex Parts LotOpens in a new window or tabBrand New$10.95Top Rated PlusFree 2-3 day shippingFree returnsSave up to 15% when you buy more
- K'Nex 17040 Electric Inferno Roller CoasterOpens in a new window or tabBrand New$1.001 bid · Time left2d 16h+$18.60 shipping
- RARE ANGRY BIRDS K'NEX HOGS IN THE SKY 255 PC IN BOX BUILDING SET COMPLETEOpens in a new window or tabPre-Owned$99.95Top Rated PlusFree shippingFree returns
- K'Nex Electric Inferno Roller Coaster 17040 - NEW - 639 pcs - Thrill Rides KNEXOpens in a new window or tabNew (Other)$24.99+$6.72 shipping
- 2016 Knex Kne'x Revolution Ferris Wheel Building Set Kit Motorized Rotation KidsOpens in a new window or tabBrand New$29.95Top Rated Plus+$10.56 shippingFree returns
- K’Nex Building System 400 Pcs Red Tub 2008 Wheels Rods ConnectorsOpens in a new window or tabPre-Owned$9.000 bids · Time left6d 19h+$11.69 shipping
- Huge K’nex bulk lot. Fast Shipping. Over 1,000 Pieces. Mixed Lot.Opens in a new window or tabPre-Owned$29.99+$12.05 shipping
- 2 Classic K'NEX Coaster Cars - Large size - Blue - NewOpens in a new window or tabBrand New$15.00+$8.70 shipping
- K'nex 1994 Yellow Storage Box Bin Tub Carrying Hard Case Handle - Container OnlyOpens in a new window or tabPre-Owned$8.99+$8.49 shipping
- K'nex BallBuster Ball Factory Machine 8,600 Pieces COMPLETE SET W/ Battery MotorOpens in a new window or tabPre-Owned$480.96Was: $649.95 26% off+$48.67 shippingFree returnsSave up to 15% when you buy more
- Huge Lot K'NEX Building Toys 30 Lbs Pounds 90s ToysOpens in a new window or tabPre-Owned$69.99+$36.75 shipping
- 100 NEW Knex Yellow Connectors 5 Position - Standard K'nex Parts LotOpens in a new window or tabBrand New$10.33Top Rated PlusFree 2-3 day shippingFree returnsSave up to 15% when you buy more
- K'NEX NEW Battery Powered Motor Lot Replacement Huge Color Selection Parts KNEXOpens in a new window or tabBrand New$16.49 to $23.46Was: $18.95 13% offFree shippingFree returnsSave up to 15% when you buy more
- Micro K'nex Lot 5 + Pounds Rods Connectors Spacers & MoreOpens in a new window or tabPre-Owned$48.95Free shipping
- K’Nex Value Tub Over 800 Pcs #12076 & 12077A (INCLUDES CONTAINER! SEE PICS)Opens in a new window or tabPre-Owned$25.00+$7.00 shippingFree returns
- K'NEX 700 Piece 50 Model Building Set Deluxe KNEX Building Set # 12211/71941Opens in a new window or tabPre-Owned$14.00+$12.30 shipping
- 9+ lb. Lot K'NEX Rods, Connectors, Tires, Gears & Misc. PartsOpens in a new window or tabPre-Owned$54.95+$11.32 shipping
- K'nex Super Mario Series 10 Figure Blind Bag Sealed Mystery FigureOpens in a new window or tabBrand New$9.95Free shipping
- K'Nex Cobweb Curse Roller Coaster Building SetOpens in a new window or tabPre-Owned$14.990 bids · Time left4d 6h$20.00Buy It Now+$9.12 shipping
- K'NEX Lot 3.5 Lbs. Assorted Pieces Rods Wheels Building Toy Engineering STEMOpens in a new window or tabPre-Owned$32.99Free shipping
- K'NEX Super Mario Bros 2 Beach Building Set 161 Pieces Limited Edition #38624Opens in a new window or tabBrand New$45.99Top Rated PlusFree shippingFree returnsAlmost gone
- K'NEX Mario Kart SHY GUY Kart Building Set NEWOpens in a new window or tabBrand New$10.99Top Rated PlusFree 2-4 day shippingFree returns60 sold
- K'NEX Lot of 8lbs of Parts Various Rods Colors Tires Orange Case Random SizesOpens in a new window or tabPre-Owned$24.97+$8.47 shipping
- You Choose K'nex Classic and Micro Replacement Parts / Pieces Lot KnexOpens in a new window or tabPre-Owned$4.99 to $12.99Free shippingSave up to 15% when you buy more
- KNEX Mario Kart 8 - Wario Kart Building Set - Brand NewOpens in a new window or tabBrand New$10.99Top Rated PlusFree 2-4 day shippingFree returns62 sold
- K’nex Education Stem Building Simple And Compound Machines 16 Models 352 PiecesOpens in a new window or tabPre-Owned$10.46Was: $14.94 30% off+$12.20 shipping
- K'NEX Screamin Serpent Motorized Roller Coaster Set # 63153 FOR PARTS ONLYOpens in a new window or tabPre-Owned$40.00+$15.00 shipping
- Mario Kart K'NEX BOWSER Minifigure Wii Nintendo Mariokart Video GameOpens in a new window or tabBrand New$0.99Top Rated Plus0 bids · Time left4d 12h+$6.45 shippingFree returns
- Bulk Lot K’NEX Plastic Parts 3+ Pounds Rods Connectors More Various Colors UsedOpens in a new window or tabPre-Owned$25.00+$6.66 shipping
- K'Nex LN3YH1N Web Weaver Roller Coaster Building Set KN1Opens in a new window or tabNew (Other)$37.00+$15.10 shipping
- K’NEX The Beatles Yellow Submarine #48051- John, Paul, George & Ringo. 29 PiecesOpens in a new window or tabPre-Owned$4.990 bids · Time left15h 49m$9.99Buy It Now+$7.00 shipping
- K'NEX Imagine Creation Zone Building Set 417 Pieces 50 Models Construction ToyOpens in a new window or tabPre-Owned$24.96+$12.30 shipping
- 110 Knex Yellow Connectors 5 Position - Standard K'nex Parts Lot New ConditionOpens in a new window or tabBrand New$10.45Free shippingSave up to 15% when you buy more
- K’nex All-American Roller Coaster Building Set 561 Pieces COMPLETEOpens in a new window or tabPre-Owned$29.29Free shipping
- K'NEX Education Solar Panel Motor Cable Case Lot Replacement Huge Selection PartOpens in a new window or tabBrand New$7.82 to $13.01Was: $10.99 13% offFree shippingFree returns
- K'nex Assorted Blocks Bricks Lot 297 Pieces Compatible w/Other Brands VG-EUCOpens in a new window or tabPre-Owned$18.99+$7.99 shipping
- Knex Lot: Rods, Connectors, Bricks, Tires, Gears, Guns, 2 Motors 10 lbs 2K+ pcsOpens in a new window or tabPre-Owned$19.990 bids · Time left5d 10h+$16.45 shipping
- 100 NEW K'NEX Rare Black Rods, All 6 Standard Sizes Mix Parts, Dark Gray KNEXOpens in a new window or tabPre-Owned$12.95Free 2-4 day shippingSave up to 15% when you buy more
- 15 Knex Gears Lot Silver & Black Crown Med & Small K'nex Education Parts LotOpens in a new window or tabPre-Owned$13.95Top Rated PlusFree 2-3 day shippingFree returns
- 300 MICRO KNEX Rods & Connectors Random Mixed Bulk Lot Small Parts Pieces K'NEXOpens in a new window or tabPre-Owned$16.95Free 2-4 day shippingSave up to 20% when you buy more
- K NEX KNEX RC Burn Out Radio Control Building Set 3 ModelsOpens in a new window or tabPre-Owned$29.99+$12.52 shipping
- 3 Knex Large Yellow Gears Large 5" Crown - K'nex Replacement Parts Lot of 3Opens in a new window or tabPre-Owned$14.95Free shipping
- 200 Knex Dark Blue Rods 2-1/4" - Standard K'nex 2.25" Parts LotOpens in a new window or tabPre-Owned$11.95Top Rated PlusFree 2-3 day shippingFree returnsSave up to 15% when you buy more
- K’NEX Screamin’ Serpent Motorized Roller Coaster IncompleteOpens in a new window or tabPre-Owned$39.96Was: $49.95 20% offFree shipping10 watchers
- 5 Rare KNEX Wheels Wide Black Spoked Racing Hub Rims K'NEX PartsOpens in a new window or tabPre-Owned$14.95Free shipping
- K’Nex Lava Launch Coaster 2009 50050 Mostly Complete Good Launcher CleanOpens in a new window or tabPre-Owned$42.99+$9.73 shipping
- K’Nex Building Pieces Bricks Blocks Tires Assorted LOT Roughly 500 PIECESOpens in a new window or tabPre-Owned$13.99+$5.99 shipping
- K'NEX Large Yellow Hard Box Carrying Case with Miscellaneous Knex pieces VintageOpens in a new window or tabPre-Owned$16.00+$6.00 shipping
- 200 NEW Knex Gray Connectors 2 Position - Standard K'nex Parts LotOpens in a new window or tabBrand New$16.49Top Rated PlusFree 2-3 day shippingFree returnsSave up to 15% when you buy more
- Vintage 1997 K'NEX Green Storage Carrying Case Box Filled With Knex and BookletsOpens in a new window or tabPre-Owned$19.99+$12.99 shipping
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