18,000+ 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 shippingSave up to 10% when you buy more
- K’nex Mixed Lot 2 Pounds Assorted Building Pieces Bundle Gears Bricks STEAM STEMOpens in a new window or tabPre-Owned$9.00Was: $10.00 10% off+$6.54 shippingExtra 15% off with coupon
- KNEX Huge Mixed Lot 8+ Pounds W/ COASTER, Wheels, Gears, WORKING Motor!Opens in a new window or tabPre-Owned$54.99+$23.95 shipping
- 200 KNEX Rods & Connectors Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$17.95Top Rated PlusFree 3 day shippingFree returnsSave up to 20% when you buy more
- Knex Gear Action 20 Model Building Set Appears To Be CompleteOpens in a new window or tabPre-Owned$24.97Free 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 left18h 7m+$15.25 shipping
- K'NEX Lot Assorted Building Pieces 5 Lb Bag - Check Description For MoreOpens in a new window or tabPre-Owned$15.00+$10.34 shippingSave up to 15% when you buy more
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- Huge Knex Bulk Lot 5+lbs Rods Connectors Gears Coaster SortedOpens in a new window or tabPre-Owned$29.99Free shipping
- K'NEX (KNEX) Grand Prix Racers starter setOpens in a new window or tabPre-Owned$8.750 bids · Time left6d 8h+$6.88 shipping
- K'nex Supersonic Swirl & Corkscrew Coaster Sets In BoxesOpens in a new window or tabPre-Owned$5.990 bids · Time left11h 16m$9.99Buy It Now+$8.99 shippingBenefits charity
- KNEX Big Ball Factory Vintage Color Coded Building Set 63045 READOpens in a new window or tabPre-Owned$97.99Top Rated Plus+$17.25 shippingFree returns
- K'NEX Super Mario Bros 2 Beach Building Set 161 Pieces Limited Edition #38624Opens in a new window or tabBrand New$34.49Top Rated PlusWas: $45.99 25% offFree shippingFree returnsAlmost gone
- 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 shippingFree returnsSave up to 15% when you buy more
- Knex Chain 8' Feet - Coaster Parts - K'nex (Large 1-1/4" Links)Opens in a new window or tabPre-Owned$12.66Top Rated PlusWas: $13.33 5% offFree shippingFree returnsSave up to 15% when you buy more
- K'Nex Titanfall Ultimate Angel City Campaign Building Set Call Of Duty RAREOpens in a new window or tabPre-Owned$74.99+$17.76 shipping
- VTG 1993 K'NEX Yellow Box Hard Carrying Case 90s With PiecesOpens in a new window or tabPre-Owned$10.000 bids · Time left1d 13h+$4.38 shipping
- K'nex Titanfall IMC Pilot Strike Building Set # 69498 86 pcs Ages 8+ Knex GiftOpens in a new window or tabBrand New$11.19Top Rated PlusFree shippingFree returns10 watchers
- K'NEX (KNEX) Downhill Thrill Xtreme 12026 -not complete but closeOpens in a new window or tabPre-Owned$10.500 bids · Time left5d 21h+$7.00 shipping
- 1 Knex Steel Rod for 6ft Ferris Wheel 89790 - K'nex Metal AxleOpens in a new window or tabBrand New$28.45Top Rated PlusWas: $29.95 5% offFree shippingFree returnsSave up to 15% when you buy more
- Vintage K'NEX Kinex Orange Box Hard Carrying Carry Case 90's Filled With KnexOpens in a new window or tabPre-Owned$10.000 bids · Time left1d 13h+$4.38 shipping
- Vintage K’nex Motor Pack Power #80011Opens in a new window or tabBrand New$34.99+$10.50 shippingLast one
- 100 Knex Silver Spacer Washers Bushings - Standard K'nex Parts LotOpens in a new window or tabPre-Owned$9.97Top Rated PlusWas: $10.49 5% offFree shippingFree returnsSave up to 15% when you buy more
- 2006 KNEX 10 Model Building Set 11601 Blue Storage Case New Sealed Rare 167 PcsOpens in a new window or tabBrand New$29.99Free shipping2 watchers
- K'NEX (KNEX) pieces based off of Shuttle Orbiter & Viking Landing (two sets)Opens in a new window or tabPre-Owned$35.000 bids · Time left5d 21h+$6.66 shipping
- K'nex Steel Scorpion motorized roller coasterOpens in a new window or tabPre-Owned$37.95Free shipping
- 800 KNEX RODS & CONNECTORS Mixed Bulk Lot Standard Replacement Parts K'NEXOpens in a new window or tabPre-Owned$69.95Free 3 day shipping116 sold
- 700 KNEX Rods & Connectors Mixed Standard Classic Parts & Random Pcs 2+ LB K'NEXOpens in a new window or tabPre-Owned$29.99+$8.58 shipping
- 8 Knex Red Gears for Large Chain - Screamin Serpent - K'nex Roller Coaster PartsOpens in a new window or tabPre-Owned$9.97Top Rated PlusWas: $10.49 5% offFree shippingFree returnsSave up to 15% when you buy more
- K'NEX Action Figures Robot People Men Replacement Huge Color Selection! KNEXOpens in a new window or tabPre-Owned$6.99 to $11.95+$2.99 shippingSave up to 15% when you buy more
- Bulk Lot LEGO Bricks Mega Blocks 5 Lb Star Wars Ninja Castle Mini Figs BioniclesOpens in a new window or tabPre-Owned$0.991 bid · Time left11h 38m+$17.45 shipping
- K'NEX Education STEM EXPLORATIONS Gears Building Set NEW!Opens in a new window or tabBrand New$18.39Was: $22.99 20% offFree shipping
- Knex Mixed Lot of Various Pieces & Wheels with Orange Storage Box CaseOpens in a new window or tabPre-Owned$19.99Top Rated PlusWas: $24.99 20% off+$20.00 shippingFree returns
- (650) Knex Micro Mini Mixed Rods Adaptors & Connectors Standard Replacement LotOpens in a new window or tabPre-Owned$34.95Was: $45.95 24% offFree shippingSave 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 3 day shippingSave up to 20% when you buy more
- K'nex Firestorm Freefall motorized roller coasterOpens in a new window or tabPre-Owned$29.95Free shipping
- K’nex ferris wheel 475 piecesOpens in a new window or tabNew (Other)$9.990 bids · Time left2d 18h+$10.80 shipping
- K'NEX All American Freedom Roller Coaster Building Set #55400 Motorized TESTEDOpens in a new window or tabPre-Owned$19.99+$6.54 shipping
- K'NEX lot with Tote And 10th Anniversary Building Set. 12028/12032Opens in a new window or tabPre-Owned$20.00+$10.80 shipping
- K'Nex Angry Birds Breakin' Bacon Building Set Missing Birds, Kit Bags Are SealedOpens in a new window or tabNew (Other)$49.99+$7.99 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 shipping
- K'NEX 4 lb Bulk Lot of Rods Connectors Wheels Gears K Force Blaster InstructionsOpens in a new window or tabPre-Owned$30.00+$12.40 shipping
- Knex Battery Powered Motor Lot K'nex Coaster Part Tested Plus Bonus PiecesOpens in a new window or tabPre-Owned$14.990 bids · Time left1d 15h+$11.40 shipping
- Knex Tethered Motor Power Pack K'nex Replacement PartOpens in a new window or tabPre-Owned$15.00+$3.85 shipping
- K'NEX NEW Battery Powered Motor Lot Replacement Huge Color Selection Parts KNEXOpens in a new window or tabBrand New$17.81 to $25.34Was: $18.95 6% offFree shippingFree returnsSave up to 15% when you buy more
- K'NEX (KNEX) Xwheels Sail Racer model 11171Opens in a new window or tabPre-Owned$12.500 bids · Time left3d 20h+$5.93 shipping
- K'NEX Light-Up Ferris Wheel with Motor & LED Light Bar No BoxOpens in a new window or tabPre-Owned$25.00+$10.80 shipping
- 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 returns
- K'nex Mario Figures Huge Selection!!!Opens in a new window or tabPre-Owned$3.95 to $16.95+$4.75 shipping
- KNEX Big Ball Factory Vintage Complete w/ Box & InstructionsOpens in a new window or tabPre-Owned$4.254 bids · Time left3d 19h+$35.00 shipping
- Vintage K'NEX Blue Carrying Case Box Filled With Knex and Launcher 13029/23029Opens in a new window or tabPre-Owned$30.000 bids · Time left5d 22h+$6.79 shipping
- K'NEX Kids Multicolor Bunch of Builds Loose Pieces Construction Building Set 4lbOpens in a new window or tabPre-Owned$8.991 bid · Time left2d 8h+$10.00 shipping
- 400 Micro Mini Knex Bulk Mixed Assortment Rods Connectors Clips K'nex Parts LotOpens in a new window or tabPre-Owned$19.90Top Rated PlusWas: $20.95 5% offFree shippingFree returnsSave up to 15% when you buy more
- 3Lb K'NEX Building Lot - Super Mario Land 38528 - Figures & PartsOpens in a new window or tabPre-Owned$29.990 bids · Time left1d 15h+$13.15 shipping
- K'nex 63030 Multicolor 2400 Parts Roller Coaster Building Toy Construction SetOpens in a new window or tabPre-Owned$26.007 bids · Time left3d 7h+$14.99 shippingFree returnsBenefits charity
- 2012 K’NEX Angry Birds Yellow Bird vs. Medium Minion Pig Building Set 28 NEWOpens in a new window or tabBrand New$11.95+$5.95 shippingFree returns
- K'NEX BASIC 30010 & Launcher Construction Toy 13029/23029 Series 1 w/4 CasesOpens in a new window or tabPre-Owned$40.00+$83.00 shipping
- KNEX Mario Kart 8 - Wario Kart Building Set - Brand NewOpens in a new window or tabBrand New$10.99Top Rated PlusFree shippingFree returns61 sold
- KNEX Atv’s 42 Piece Kit MISB 10214 93304 Trike Atv 1999 (5)Opens in a new window or tabBrand New$4.00+$5.25 shipping
- K'nex Knex Motorized Madness Ball Machine Tower Building Set Huge Parts RareOpens in a new window or tabPre-Owned$70.00Free shipping
- K’NEX Lot Of Tinkertoy Plastic Building Tinker ToysOpens in a new window or tabPre-Owned$6.00+$4.84 shipping
- Vintage K'NEX 18x14 Hard Black Case full of Knex PiecesOpens in a new window or tabPre-Owned$28.98Free shipping
- K'NEX K'NEXOSAURUS REX Building SET with Motor 255 piece DINOSAUR Kit NEWOpens in a new window or tabBrand New$24.00+$11.99 shipping
- K'nex Tourbillon Jeu De Construction Supersonic Swirl Building Toy Set 464 PieceOpens in a new window or tabPre-Owned$9.991 bid · Time left7h 26m+$14.99 shippingFree returnsBenefits charity
- K’NEX Roller coaster 7.5 Feet chain 4 sprockets 8 Interlocking Clips TanOpens in a new window or tabPre-Owned$9.990 bids · Time left2d 9h+$5.80 shipping
- K'NEX Educational Starter Set 400+ Pieces Gears, Wheels Pulleys Motor KNEX RodsOpens in a new window or tabPre-Owned$54.95Free 3 day shipping6 watchers
- Items Per Page