K'NEX Constructing Toys

– 15888 offers
Sort by:
Standard K'NEX 200+ Piece mixed lot. Great starter set or supplemental parts for your collection! Each lot contains 200+ Standard K'NEX rods and connectors. This lot does not include any micro pieces or goofy specialty parts or non-standard colors. We want you to be hap...
200 KNEX Rods Connectors Random Mixed Bulk Lot Standard Replacement Parts K'NEX
Each lot includes a random mix of 100 standard size K'nex pieces. (We have Micro/Mini K'nex listed separately.) Pieces are in clean, very good used condition. Photo shows the main types of pieces you can expect in these lots. Not every lot will have every type/color of...
100 KNEX Rods & Connectors Random Mixed K'nex Replacement Parts / Pieces Lot
K'NEX Gonzo For Gears Ages 8+ Engineering Education Toy Building Set, 198 Pieces gray tote on 2nd shelf back
K'NEX Gonzo For Gears Ages 8+ Engineering Education Toy Building Set, 198 Pieces
K'NEX PAC-MAN Motorized Roller Coaster Building Set 432 Pc Ages 9+ (New Factory Sealed)Everyone's favorite arcade game comes to life with the all-new K'NEX PAC-MAN Roller Coaster Building Set! This working roller coaster includes over 400 parts, like classic-sized K'NEX...
K'NEX PAC-MAN Motorized Roller Coaster Building Set 432 Pc Ages 9+ (New Sealed)
Huge KNEX Instruction Manual Lot Huge KNEX Instruction Manual Lot. Pre-owned item in good condition.Please see photos for item condition. This item comes with FREE shipping. PAYMENTS We currently only take Paypal for both buyer and seller protection. We ask that payment...
Huge KNEX Instruction Manual Lot
K'NEX Screamin' Serpent Roller Coaster AccessoriesFirst Class Package Postage starts at about $3.50 for 3 ounces. I can combine multiple auctions in 3 ounces, so ask me for a postage quote (tell me your zip code and the items and quantities that you'd like) and I'll con...
K'NEX Screamin' Serpent Roller Coaster Accessories
Box was beat up and dirty. Look at the pictures to see what you’re receiving. USED Used
K’nex Big Ball Factory
RARE! K'Nex Screamin' Serpent Motorized Roller Coaster. Sealed Contents New HTF. Condition is "New". Everything here and everything is sealed never put together complete. Nice set box has been opened to check contents.
RARE! K'Nex Screamin' Serpent Motorized Roller Coaster. Sealed Contents New HTF
1000 KNEX Rods Connectors Random Mixed Bulk Lot Standard Replacement Parts K'NEX. Condition is "Used". Shipped with USPS Priority Mail.
1000 KNEX Rods Connectors Random Mixed Bulk Lot Standard Replacement Parts K'NEX
Lincoln Logs Lot. Condition is "Used". Shipped with USPS Priority Mail. Assorted pieces 257 in total comes with an original box as well.
Lincoln Logs Lot
K'NEX Screamin' Serpent Instruction ManualFirst Class Package Postage starts at about $3.50 for 3 ounces. I can combine multiple auctions in 3 ounces, so ask me for a postage quote (tell me your zip code and the items and quantities that you'd like) and I'll confirm the...
K'NEX Screamin' Serpent Instruction Manual
K'nex Lot 1: 315+ Rods, wheels & Connectors
K'nex Lot 1: 315+ Rods, wheels & Connectors
K’NEX #12605 - 100 Model Imagine Building Set 863 Pc Engineering Educational Toy ... Opened and played with and returned to box ... Complete and bagged with instruction book ... See photos * I will combine & discount shipping & handling rates for multiple items...
K’NEX #12605 - 100 Model Imagine Building Set 863 Pc Engineering Educational Toy
55' K'NEX Purple Track Tubing 13 Pcs 2" - 231" Screamin' Serpent Roller Coaster2" 3" 4" 5" 16" 16" 17" 24" 25" 28" 65" 223" 231"First Class Package Postage starts at about $3.50 for 3 ounces. I c...
55' K'NEX Purple Track Tubing 13 Pcs 2" - 231" Screamin' Serpent Roller Coaster
K'Nex Giant Set 60020 Unsure if complete. Includes instruction manual. Buyer receives everything shown
K'Nex Giant Set 60020
K'NEX 63153 Screamin Serpent Coaster COMPLETE SET in Original Box Knex Coaster. Condition is "Used". Shipped with USPS Priority Mail.
K'NEX 63153 Screamin Serpent Coaster COMPLETE SET in Original Box Knex Coaster
60 - K'NEX Lime Green Flexi-Rods 7 1/2" 7.5" Standard Replacement PartFirst Class Package Postage starts at about $3.50 for 3 ounces. I can combine multiple auctions in 3 ounces, so ask me for a postage quote (tell me your zip code and the items and quantities...
60 - K'NEX Lime Green Flexi-Rods 7 1/2" 7.5" Standard Replacement Part
Knex super mario figures and Karts. Condition is "Used". Shipped with USPS First Class. Large lot of knex mario figures, karts, and accessories. 60 + figues and 11 karts. Nice clean lot and the stickers on the karts are in great shape. Donkey Kong and Diddy Ko...
Knex super mario figures and Karts lot
Lincoln Logs HUGE Lot 200+ Pieces TONS of Different Pieces — Over 3 lbs Bulk VTG. Condition is "Used". Overall in very nice shape logs! Smoke free home, clean! Shipped with USPS Parcel Select Ground.
Lincoln Logs HUGE Lot 200+ Pieces TONS of Different Pieces — Over 3 lbs Bulk VTG
K'NEX Building Toy Windmill in Orange Case Nice vintage piece, believe it is complete. Due to the size, weight, & safe packaging of this item, International Shipping outside of the United States, costs will be quoted individually.Please contact us for the price, we...
K'NEX Building Toy Windmill in Orange Case
Lot Of Wii Mario Kart K`nex Pieces. Kart tested Condition is "Used". Shipped with USPS Priority Mail.
Lot Of Wii Mario Kart K`nex Pieces
Over 4,000 pieces. 15 Lbs Of Assorted K’nex Building Pieces With Case And Book. Condition is "Used". Shipped with UPS Ground.
15 Lbs Of Assorted K’nex Building Pieces With Case And Book
1 - 1 1/2" K'NEX White Worm GearFirst Class Package Postage starts at about $3.50 for 3 ounces. I can combine multiple auctions in 3 ounces, so ask me for a postage quote (tell me your zip code and the items and quantities that you'd like) and I'll confirm the actu...
1 - 1 1/2"K'NEX White Worm Gear
Mario Kart Wii Ultimate Building Set K'nex - BRAND NEW FACTORY SEALED 870 PIECES. Beautiful Condition is factory sealed "New". Shipped with USPS Priority Mail.
Mario Kart Wii Ultimate Building Set K'nex - BRAND NEW FACTORY SEALED 870 PIECES
knex shark run rollercoaster , this set is 621 pieces, it is in excellent condition still in its original packaging, only opened box to take pictures. Please review pictures to get a more detailed view of knex pictures and all of the accessories that come with this set....
Knex shark run roller coaster 650 piece set brand new
Knex Super Mario Cannon Building Set Condition is New in box but box may show signs of wear and tear from being in storage. Possible small dents or scratches on the box. Shipped with USPS within 24 hours of payment. Tracking number will be provided Please ask any questi...
Knex Super Mario Cannon Building Set
Box Of K'NEX. Condition is Used. Shipped with USPS Parcel Select Ground.
Box Of K'NEX
K'NEX Original Builder's Challenge Big Ball Factory COMPLETE SET 63045, fully disassembled. All pieces have been inspected, cleaned, sorted, counted (and re-counted) and bagged. Many listings for this product are from resellers who can't guarantee that it is complete. Y...
KNEX Big Ball Factory COMPLETE SET (No Box) w Instructions & Battery Motor K'NEX
KNEX.COM DRAGONS DROP COASTER 813 PCS BUILDING SET. Condition is "New".*(shelf)
KNEX.COM DRAGONS DROP COASTER 813 PCS BUILDING SET
K'NEX Blue Sound Module Screamin Serpent Roller Coaster Tested - WorksFirst Class Package Postage starts at about $3.50 for 3 ounces. I can combine multiple auctions in 3 ounces, so ask me for a postage quote (tell me your zip code and the items and quantities that you'...
K'NEX Blue Sound Module Screamin Serpent Roller Coaster Tested - Works
Show more