19,000+ 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
- 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
- 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
- K'nex Desert Building Set New Super Mario Bros 2 Nintendo OPEN BOX DamagedOpens in a new window or tabNew (Other)$25.99+$10.26 shipping
- K'NEX K'NEXOSAURUS REX Building SET with Motor 255 piece DINOSAUR Kit NEWOpens in a new window or tabBrand New$42.00+$14.80 shipping
- 200 KNEX Rods & Connectors Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$17.95Top Rated PlusFree 2-4 day shippingFree returnsSave up to 20% when you buy more
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- K'nex Lot Pieces 14+ Pounds Rods Connectors Gears ++Opens in a new window or tabPre-Owned$68.95Free shipping
- 133 Knex Purple Connectors 4 Position 3D-K’nex Job LotOpens in a new window or tabPre-Owned$4.990 bids · Time left40m+$5.93 shipping
- K'nex Builder Basics 35 Different Model Building Set Variety. 90’s Building ToysOpens in a new window or tabPre-Owned$16.97Free shipping
- K'nex Mario Figures Huge Selection!!!Opens in a new window or tabPre-Owned$3.95 to $14.95+$4.75 shipping
- 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 2-4 day shippingFree returnsSave up to 15% when you buy more
- HUGE Knex Lot Assorted Pieces OVER 32 Pounds!! a lot of wheels, tires, manuals!Opens in a new window or tabPre-Owned$30.000 bids · Time left6d 4h+$51.10 shippingFree returns
- K'NEX ANGRY BIRDS 2 Building Sets MISSION MAY'HAM 72613, 72603 BLACK BIRD VS PIGOpens in a new window or tabPre-Owned$38.00+$5.70 shipping
- 230 Knex Red Connectors 3 Position Standard K’nex Parts LotOpens in a new window or tabPre-Owned$5.990 bids · Time left2h 3m+$5.93 shipping
- 2 Classic K'NEX Coaster Cars - Large size - Blue - NewOpens in a new window or tabBrand New$15.00+$8.70 shipping
- 50 Knex Red Rods 5 1/8" Long Pieces Bulk Standard Replacement Parts/Pieces LotOpens in a new window or tabPre-Owned$9.99+$6.00 shipping
- K'Nex 17040 Electric Inferno Roller CoasterOpens in a new window or tabBrand New$1.001 bid · Time left1d 7h+$18.60 shipping
- K’NEX Architecture - Empire State Building - New Building Set for Adults & KidsOpens in a new window or tabBrand New$59.91Free shipping
- K’NEX MICRO 850 PIECES Rods and connectionsOpens in a new window or tabPre-Owned$7.250 bids · Time left18m$9.50Buy It Now+$16.10 shipping
- KNEX Mario Kart 8 - Wario Kart Building Set - Brand NewOpens in a new window or tabBrand New$10.99Top Rated PlusFree shippingFree returns64 sold
- K’NEX mixed lot (1.8lb) - Assorted parts (Regular, Neon, Metallic Pcs)Opens in a new window or tabPre-Owned$25.61+$51.53 shippingfrom Canada
- 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
- 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
- 100 NEW Knex Yellow Connectors 5 Position - Standard K'nex Parts LotOpens in a new window or tabBrand New$10.33Top Rated PlusFree shippingFree returnsSave up to 15% when you buy more
- Vintage K'NEX 18x14 Hard Black Case full of Knex PiecesOpens in a new window or tabPre-Owned$0.990 bids · Time left6d 22h+$12.40 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
- Knex All Terrain 6WD Trekker ATV Kit 3 Models K’nex 13501 1999 All Pcs IncludedOpens in a new window or tabPre-Owned$12.99+$6.62 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
- Lincoln Logs HUGE Lot 449 Pieces Vintage Wood Roofs TONS of Different PiecesOpens in a new window or tabPre-Owned$66.0034 bids · Time left1d+$15.75 shipping
- 200 KNEX CONNECTORS Mixed Bulk Lot Standard Replacement Parts Blue White K'NEXOpens in a new window or tabPre-Owned$18.95Top Rated PlusFree 2-4 day shippingFree returnsSave up to 15% when you buy more
- K’NEX 1000 +Pieces 3 pounds + Rods and connectionsOpens in a new window or tabPre-Owned$12.490 bids · Time left18m$16.25Buy It Now+$18.80 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
- K'NEX REPLACEMENT PARTS PIECES - TIRES WHEELS GEARS - LOT OF 35Opens in a new window or tabPre-Owned$18.000 bids · Time left4d 3hFree shipping
- 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
- K'NEX Wild Whiplash Roller Coaster set 16491 incomplete/parts lot motor worksOpens in a new window or tabPre-Owned$10.00+$13.60 shipping
- K'NEX Nintendo Figures Huge Selection! Mario Kart Wii Mini Action Bowser KNEXOpens in a new window or tabPre-Owned$3.99 to $24.95+$3.99 shippingSave up to 15% when you buy more
- K'nex Super Mario Series 10 Figure Blind Bag Sealed Mystery FigureOpens in a new window or tabBrand New$9.95Free shipping
- K'Nex Titanfall Angel City Escape Building Set 100% CompleteOpens in a new window or tabPre-Owned$15.99+$10.10 shipping
- Beatles K'nex Yellow SubmarineOpens in a new window or tabBrand New$250.000 bids · Time left15m$350.00Buy It Now+$9.75 shipping
- Kid K'nex Playground Pals STEM Building Toy Set Includes Extra K'nexOpens in a new window or tabPre-Owned$9.00+$10.10 shipping
- NEW Mario Kart wii K'Nex and Diddy Kong Fire Challenge Building Set MotorizedOpens in a new window or tabBrand New$69.99+$19.95 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 MARIO KART WII YOSHI WILD WING MOTORIZED BUILDING SET NEW W/ POW 30 PIECESOpens in a new window or tabBrand New$10.00+$8.38 shipping
- 2 Lb Mixed Lot K'NEX KNEX Lot Of Assorted Loose Parts, Pieces & MotoeOpens in a new window or tabPre-Owned$20.00+$15.55 shippingFree returns
- 1 Knex Motor Tethered Power Pack Red Short Cord K'nexOpens in a new window or tabPre-Owned$5.000 bids · Time left7h 23m+$6.65 shippingBenefits charity
- 68 Knex Silver Dark Grey Connectors 4 Position 3D-K’nex Job LotOpens in a new window or tabPre-Owned$2.990 bids · Time left52m+$5.93 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
- 137 Knex Grey and Orange Connectors 2 Position Standard K’nex Parts LotOpens in a new window or tabPre-Owned$4.990 bids · Time left2h 26m+$5.93 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 left5d 15h$89.00Buy It Now+$11.41 shipping
- (30 Sets) K'nex Black Ball Socket Joint Connectors KNEX Clips Joints 60 PartsOpens in a new window or tabPre-Owned$14.95Free shippingFree returnsSave up to 15% when you buy more
- 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
- 25 Knex Purple Short Flexible Rods 1-1/4" - 1.25" Standard K'nex Parts LotOpens in a new window or tabPre-Owned$13.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy more
- Standard K'nex Mixed Lot 4.5 LBS of KNex Pieces with Storage BinOpens in a new window or tabPre-Owned$9.99+$16.25 shipping
- Plants vs Zombies Series 2 K'NEX Mystery Surprise Blind Pack Lot Of (10) New!!!Opens in a new window or tabBrand New$4.883 bids · Time left2d 3h+$8.30 shipping
- 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
- K'NEX REPLACEMENT PARTS - CONNECTORS - PURPLE AND YELLOW - LOT OF 276Opens in a new window or tabPre-Owned$15.000 bids · Time left4d 2hFree 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
- K'NEX Education Space Explorations Class Pack Building Set KNEX 79831 Grades 5-9Opens in a new window or tabPre-Owned$59.95+$19.95 shipping
- KNEX Orange Roller Coaster Track Tubing One 12' Piece, Splice Ball Factory K'NEXOpens in a new window or tabPre-Owned$12.95Free 2-4 day shippingSave up to 15% when you buy more
- Mixed Bulk Lot of K'NEX Connectors Rods Building Pieces PartsOpens in a new window or tabPre-Owned$19.84Was: $22.05 10% offFree shipping
- 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
- 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
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