Skip to main content
eBay
 
Kids
in K'NEX: Kids Kids
 

Newly listedK'NEX ROLLER COASTER,2400 PCS,8 FEET LONG,3 FEET HIGH

The item is listed as a Top Rated Plus item
$29.99
Buy It Now

K'NEX DoubleDare Dueling Coaster #14122 / 77987 w/ instructions Charity item

Time left:
$9.99
1 bid

Newly listedK'NEX 10 MODEL BUILDING SAFARI FUN SET NEW IN SEALED BOX 109 PIECES

$12.99
Buy It Now

K'NEX SERPENT'S SPIRAL ROLLER COASTER SET 50090 71331

Time left:
$21.00
0 bids

A143 KNEX CORKSCREW COASTER BUILDING SET ROLLER COASTER

$8.95
Buy It Now

Mario Kart Wii K'nex Building Set 3 packs unopened

Time left:
$6.00
1 bid

K'Nex Loopin Lightning Coaster with Motor Roller 3 Feet High Instructions

$24.00
Buy It Now

K'nex Ferris Wheel Set - USED - Plus 7 Little People - No Box - 676 Pieces

Time left:
$9.95
0 bids

Newly listedKNEX Shark Run Roller COASTER CAR / SURFER FIGURE Replacement Parts / Pieces

The item is listed as a Top Rated Plus item
$16.99
Buy It Now
Free shipping

Newly listedMario Kart K'nex Ultimate Building Track

Time left:
$52.99
0 bids

K'Nex knex super mario bros Mini Figure minifig Boo

The item is listed as a Top Rated Plus item
$6.99
Buy It Now
Free shipping

K'nex Shark Run Roller Coaster + Robot Set - Includes Motor and 20+ Ft of Track!

Time left:
$0.99
1 bid

K'NEX Sawblade Thrill Ride

The item is listed as a Top Rated Plus item
$44.99
Buy It Now

K'NEX Wii Mario Kart Building Set - Toad Side-Stepper Challenge New in box

Time left:
$16.99
2 bids

K'Nex Super Mario Thwomps Building Set #zNI

Buy direct from Toys "R" Us!
The item is listed as a Top Rated Plus item
One-day shipping available
Free shipping on orders over $79
$59.99
Buy It Now

Knex Metallic Red Roller Coaster Car K'NEX New

Time left:
$3.49
1 bid

K’nex Big Air Ultimate Ball Tower Building Toy Set

One-day shipping available
$50.00
Buy It Now

K'NEX Super Mario Dry Bones Set Building Toy with Fire Mario & Yoshi Figures

The item is listed as a Top Rated Plus item
$16.99
Buy It Now

Angry Birds Railway Runaway K'nex

Time left:
$34.98
0 bids

K'Nex Big Ball Factory, Bulder's Challenge, 63045, Used, With Instruction Book

$79.99
Buy It Now

KNEX RIPPIN ROCKET SET BUILDING GAME 63105 ROLLER COASTER OVER 5 FT TALL USED

Time left:
$19.99
0 bids

K'Nex Super Mario Prongo Set

Buy direct from Toys "R" Us!
The item is listed as a Top Rated Plus item
One-day shipping available
Free shipping on orders over $79
$29.99
Buy It Now

K'Nex HyperSpace K-Force Defense Station New In Open Box Fast Ship

Time left:
$9.99
1 bid

K'NEX Serpents Spiral Roller Coaster MOTORIZED Large Set 1000+ pcs LNIB Great

$29.99
Buy It Now

K'Nex Vertical Vengeance Coaster Building System

Brand New - Never Used
 Time left:
$39.99
1 bid

KNEX 150 chain links about 12'

$4.99
Buy It Now

DISNEY SPACE MOUNTAIN BUILDING SET BY K'NEX BRAND NEW

Time left:
$139.00
0 bids

Kinex Rocket Roller Coaster and Sonic Blizzard Coaster

The item is listed as a Top Rated Plus item
$99.99
or Best Offer
Free shipping

K'NEX HOMETOWN CARNIVAL CONSTRUCTION KIT 561 Pieces Complete

Time left:
$14.99
1 bid

Newly listedK'NEX LOOPIN' LIGHTNING COASTER - 622 PCS

$45.99
Buy It Now
Free shipping

Mario Kart Wii Yoshi Building Set

Time left:
$2.99
1 bid
Free shipping

Newly listedBRAND NEW K'NEX REKONSTRUCTORS SKYHAWK

$8.99
Buy It Now

K'Nex Screamin' Serpent Roller Coaster

Time left:
$20.00
0 bids
$55.00
Buy It Now

Newly listedK'NEX Amusement Park - Vertical Viper Roller Coaster

Buy direct from Toys "R" Us!
The item is listed as a Top Rated Plus item
One-day shipping available
Free shipping on orders over $79
$24.99
Buy It Now

K’Nex Firestorm Freefall Coaster - 672 Pcs. *EUC*

$14.99
Buy It Now

Orange Carrying Case Full of K'nex

Time left:
$11.00
0 bids

Newly listedK'NEX MOTORCYCLES BUILDING SET 104 PC 11003 MS 42 MADE IN USA AGES 5-8

The item is listed as a Top Rated Plus item
$11.99
Buy It Now
Free shipping

K'nex Double Ferris Wheel - 3 ' Complete Set

Time left:
$24.99
1 bid

KID K'NEX 57 ASSORTED PIECES IN GREEN CASE

$9.99
Buy It Now

Newly listedK'NEX Mario Kart Wii Donkey Kong Set

Time left:
$5.00
0 bids

K'NEX RIPPEN ROCKET ROLLER COASTER 63166 63105 1058 PEICES

The item is listed as a Top Rated Plus item
$55.00
or Best Offer

K'nex Mario Kart Wii Mario and Donkey Kong Circuit Start Line Set Knex EXC SHAPE

Time left:
$10.00
0 bids
$24.99
Buy It Now

Newly listedK'NEX Collect and Build Construction Crew - Backhoe

Official eBay store of eToys.
$15.48
Buy It Now
Free shipping

K'nex Roller Coaster Set

Time left:
$25.00
1 bid

Newly listedNEW Elmo Kid K'nex Sesame Street Neighborhood Collection Fire Truck Building Set

$11.99
Buy It Now

Kid K'Nex 43/ 52 Pieces with Green Case & Instruction Book

Time left:
$6.99
0 bids

K'Nex Super Mario Dry Bones Set

Buy direct from Toys "R" Us!
The item is listed as a Top Rated Plus item
One-day shipping available
Free shipping on orders over $79
$14.99
Buy It Now

K'nex New 231 Piece Rescue Copter Air Action Building Set

Time left:
$0.99
0 bids

Newly listed*NEW* Kid K'Nex Elmo's Rainy Day Building Set Sesame Street Play Learn Activity

The item is listed as a Top Rated Plus item
$11.99
Buy It Now
Free shipping

K'nex Space Mountain Building Set

Time left:
$99.00
0 bids
$150.00
Buy It Now
Top Rated Plus
  • Sellers with highest buyer ratings
  • Returns, money back
  • Ships in a business day with tracking
Thank you for helping us improve!
It looks like you included personal information in your comments.
  • Please make sure you remove email addresses, user IDS, item numbers, and other personal information from your comments.
  • If you ask a question using this form, we won't be able to respond. Please contact customer support if you need help.
Items per page: 
1 2 3 4 5