17,000+ results for knex
- 500 KNEX Rods & Connectors Mix w/4 Wheels Standard Classic Parts Replace K'NEXOpens in a new window or tabPre-Owned$36.95Free 2-3 day shippingSave up to 10% when you buy moreSponsored
- 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 moreSponsored
- 800 KNEX RODS & CONNECTORS Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$69.95Free 2-3 day shippingAlmost goneSponsored
- 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 moreSponsored
- LOT K’NEX Super Mario 3D Land Boomerang Mario Koopa Troopa Luigi Goomba MysteryOpens in a new window or tabNew (Other)$3.001 bid · Time left10h 29m+$11.60 shippingSponsored
- 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 shippingSponsored
- K'nex Builder Basics 35 Different Model Building Set Variety. 90’s Building ToysOpens in a new window or tabPre-Owned$14.990 bids · Time left2d 10hFree shippingSponsored
- 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 returnsSponsored
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Sponsored | Top selling items from highly rated sellers with free shipping- K'NEX Kid Education Classroom Collection Building SetOpens in a new window or tabBrand New$105.68Free shippingFree returnsSponsored
- Micro Knex Small Size Chain 6' Feet, 2 Gears, 6 Guides, 4 Clips - K'nex CoasterOpens in a new window or tabPre-Owned$13.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 200 Knex Yellow Rods 3-7/16" - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$16.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 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 moreSponsored
- 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 shippingSponsored
- KNEX Pac-Man Ghostly Adventures Mazes Building Sets Lot Of 4 New 2013Opens in a new window or tabBrand New$39.95Was: $49.95 20% off+$5.90 shippingSponsored
- 1 Knex Steel Rod for 6ft Ferris Wheel 89790 - K'nex Metal AxleOpens in a new window or tabBrand New$29.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- Knex Gear Action 20 Model Building Set Appears To Be CompleteOpens in a new window or tabPre-Owned$24.97Free shippingExtra 20% off with couponSponsored
- 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 moreSponsored
- K'nex ANGRY BIRDS 72613 MISSION MAY' HAM Building Set - Complete w/Extra PigsOpens in a new window or tabPre-Owned$22.505 bids · Time left3d 17h+$10.80 shippingSponsored
- K'NEX Control Construction Crane Building Set Motorized Building Kit 817 pcsOpens in a new window or tabBrand New$56.00+$7.33 shippingSponsored
- K’Nex Building Pieces Bricks Blocks Tires Assorted LOT Roughly 500 PIECESOpens in a new window or tabPre-Owned$14.99+$5.99 shippingSponsored
- Knex Mario Kart Wii -Luigi Sprinter Kart Motorized Building Set New 2012Opens in a new window or tabBrand New$12.00+$6.12 shippingSponsored
- 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 moreSponsored
- KNEX Mario Kart 8 - Wario Kart Building Set - Brand NewOpens in a new window or tabBrand New$10.99Top Rated PlusFree shippingFree returns62 soldSponsored
- Knex Bulk Pieces Lot Yellow Storage Hard Case K'nex Building Toys '90s VINTAGEOpens in a new window or tabPre-Owned$9.990 bids · Time left6d 15h+$14.50 shippingSponsored
- KNEX MOTOR GREEN Battery Powered Forward Reverse - NEWOpens in a new window or tabBrand New$16.00Free shippingSponsored
- 51 Knex Light Gray Grey Rods 7-1/2" Long 7.5" - K'nex Standard Parts LotOpens in a new window or tabPre-Owned$10.95Free shippingSave up to 20% when you buy moreSponsored
- 12 Knex Black Ball & Socket Connectors Clips - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$11.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- Partial K'Nex Grave Digger Vs. Avenger Building Toy Monster Jam Set 2012Opens in a new window or tabPre-Owned$4.000 bids · Time left10h 43m+$9.90 shippingSponsored
- 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 shippingFree returnsSave up to 15% when you buy moreSponsored
- 150 Knex Connector Assortment - Mixed Bulk Standard K'nex Replacement Parts LotOpens in a new window or tabPre-Owned$15.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 100 Knex Red Rods 5-1/8" - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$13.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 100 NEW Knex Yellow Rods 3-7/16" - Standard K'nex Parts LotOpens in a new window or tabBrand New$10.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- Orange K'NEX Case with Lot of 6lbs of PartsOpens in a new window or tabPre-Owned$34.99Free shippingSponsored
- K’nex Knex Raptors Revenge Roller Coaster with motor and parts testedOpens in a new window or tabPre-Owned$14.99+$9.50 shippingSponsored
- New KNEX Mario Kart Wii Diddy Kong Kart Building SetOpens in a new window or tabPre-Owned$9.99+$5.93 shippingSponsored
- K'NEX Education Large Maker's KitOpens in a new window or tabBrand New$80.32Free shippingFree returnsSponsored
- 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 shippingSponsored
- KNEX Pac-Man Ghostly Adventures Mazes Building Set PAC WORLD MAZE 256Opens in a new window or tabPre-Owned$10.000 bids · Time left6d 9h+$8.45 shippingSponsored
- 300 NEW Knex Green Rods 3/4" Short - Standard K'nex Parts Bulk LotOpens in a new window or tabBrand New$12.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- HUGE LOT KNEX TOY BUILDING PIECES WHEELS AXELS 4 FOUR LBS WORTHOpens in a new window or tabPre-Owned$15.67+$14.50 shippingSponsored
- 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 left4d 1h$89.00Buy It Now+$11.41 shippingSponsored
- Knex Chain 8' Feet - Coaster Parts - K'nex (Large 1-1/4" Links)Opens in a new window or tabPre-Owned$13.33Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- K'NEX DISNEY PARKS SPACE MOUNTAIN BUILDING SET NEW WITHOUT BOX 100% CompleteOpens in a new window or tabBrand New$49.990 bids · Time left4d 13h+$15.25 shippingSponsored
- Red Knex vintage Storage Box Case with Mix Lot of Hundreds of Pieces + ManualsOpens in a new window or tabPre-Owned$9.990 bids · Time left4d 15h$20.00Buy It Now+$15.22 shippingFree returnsSponsored
- K'NEX Star Shooter Motorized Roller Coaster Building 94% Complete KitOpens in a new window or tabPre-Owned$23.99Free shippingSponsored
- KNEX Rods & Connectors Random Mixed K'nex Replacement Parts Pieces Small LotOpens in a new window or tabPre-Owned$3.00+$5.95 shippingSponsored
- K'Nex 17040 Electric Inferno Roller CoasterOpens in a new window or tabBrand New$1.000 bids · Time left6d 16h+$18.60 shippingSponsored
- K'NEX Screamin Serpent Motorized Roller Coaster Set # 63153 FOR PARTS ONLYOpens in a new window or tabPre-Owned$40.00+$15.00 shippingSponsored
- KNEX 700+ Rods & Connectors Mix Ferris Wheel Carousel Parts Build Bulk MotorOpens in a new window or tabPre-Owned$19.92Top Rated PlusFree shippingFree returnsSponsored
- K'NEX BUNCH OF BUILDS BUILDING SET 353 PARTS BUILD 20 MPN 18818 MADE IN USA F/SOpens in a new window or tabBrand New$24.98Top Rated PlusFree shippingFree returnsExtra 15% off with couponSponsored
- Grave Digger Monster Truck Monster Truck Big Wheel By knex Removable Body No BoxOpens in a new window or tabPre-Owned$9.99+$5.95 shippingFree returnsBuy 1, get 1 25% off with couponSponsored
- 215 MICRO KNEX Parts/Pieces Lot Mini Rods Connectors Red Black Blue Gray Orange+Opens in a new window or tabPre-Owned$18.99Free 2-4 day shipping410 soldSponsored
- K'Nex 13597 Deluxe Building Toys Construction Set 375 Pieces Complete - Age 7+Opens in a new window or tabPre-Owned$6.99+$12.30 shippingFree returnsSponsored
- 6 Rare K'NEX Large 5" Big Black Gears w/Offset Socket Crown Ferris Parts KNEXOpens in a new window or tabPre-Owned$24.95Free shippingSave up to 25% when you buy moreSponsored
- Lot 100+ K'NEX building Creative Construction Pieces Kids Build With CaseOpens in a new window or tabPre-Owned$4.990 bids · Time left6d 14h+$10.80 shippingSponsored
- KNEX Screamin Serpent Motorized Roller Coaster - 100% Complete VERIFIED w/ BoxOpens in a new window or tabPre-Owned$47.99+$21.77 shippingSponsored
- K'nex Super Mario Series 10 Figure Blind Bag Sealed Mystery FigureOpens in a new window or tabBrand New$9.95Free shippingSponsored
- 100 NEW Knex Black Rod End Clips - Standard K'nex Parts LotOpens in a new window or tabBrand New$14.49Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 400 K'nex Blue Spacer Washer Rings Bulk Standard Replacement Parts Pieces LotOpens in a new window or tabPre-Owned$8.69Was: $9.99 13% offFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 400 Micro Mini Knex Bulk Mixed Assortment Rods Connectors Clips K'nex Parts LotOpens in a new window or tabPre-Owned$20.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 100 Knex Silver Spacer Washers Bushings - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$10.49Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- Lot of Kinex K'NEX Building Pieces With Case KNEXOpens in a new window or tabPre-Owned$20.10+$13.15 shippingSponsored
- Set of 4 Knex Huge All Terrain Trekker Wheels Tires 3-1/2" K'nex ReplacementOpens in a new window or tabPre-Owned$17.49Was: $24.99 30% offFree shipping5% off $50+ with couponSponsored
- K’NEX The Beatles Yellow Submarine Sgt Pepper Figures Set John George Paul RingoOpens in a new window or tabNew (Other)$15.00Free shippingFree returnsSponsored
- K'NEX Vintage 1995 Green Plastic Carrying Case Storage Box Plus PiecesOpens in a new window or tabPre-Owned$25.19Was: $35.99 30% offFree shippingSponsored
- K'nex Family Guy Series 1 2017 Blind Bag Figures 44478 NEW! FACTORY SEALED!Opens in a new window or tabBrand New$3.99Top Rated Plus+$3.99 shippingFree returnsSponsored
- Cyber K'NEX Hyper Wheels, KNEX SET # 15003, Vintage, Collectible & Rare CompleteOpens in a new window or tabPre-Owned$17.99+$12.05 shippingSponsored
- 50 Knex Dark Blue Connectors 7 Position 3D - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$13.33Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 20 Knex Black Rod Locks - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$14.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- 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: $14.95 13% offFree shippingFree returnsSponsored
- 50 Knex Orange Rods 7-1/2" - 7.5" Standard K'nex Parts Lot (Not Micro)Opens in a new window or tabPre-Owned$16.95Top Rated PlusFree shippingFree returnsSave up to 15% when you buy moreSponsored
- Lincoln Logs HUGE Lot 449 Pieces Vintage Wood Roofs TONS of Different PiecesOpens in a new window or tabPre-Owned$17.503 bids · Time left6d 10h+$15.75 shippingSponsored
- HUGE KNEX MIXED SORTED LOT 100+ PIECES CONNECTORS RODS EXTRAS MOREOpens in a new window or tabPre-Owned$19.990 bids · Time left20h 9m$59.99Buy It Now+$8.99 shippingSponsored
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