I've counted all the pieces and everything is present. has instructions in original box which have signs of wear
eBay
K'NEX SPARES FOR ROLLER COASTERS. ALL VERY GOOD CONDITION.
eBay
Large classic K'NEX roller coaster set, which builds 11 different designs including: 2 Large roller coasters (with and without loop) 3 Half pipes (for car and ball) 3 Inclined plane systems (for car and ball) 2 Inclined planes (with loop) Build two large models simultaneously. Investigate all aspects of velocity, kinetic and potential energy, work, etc. Full colour instruction book plus extra designs on CDROM. 75-page teacher’s guide containing 9 physics lesson plans. Supports 8 students at a time.
eBay
K'nex Cobweb Curse Roller Coaster Building Set 473pc (NEW OTHER, BOX OPENED) Box is opened, but all pieces are present and sealed in bags.
eBay
🎢 Rare Vintage K'nex KNEX Rippin Rocket Roller Coaster , Complete + Boxed really good condition, plenty of fun
eBay
K'NEX Hornet Swarm Roller Coaster 617 Piece Motorized Building Set 9+ Years. Complete.
eBay
K'NEX Sonic Blizzard Roller Coaster Untested Unchecked. I cant check this ss too huge so can't test either. So selling as spares. May work and be complete, or may not and sold as such. Pics make up total description and condition so please view them all to ensure a positive purchasing experience
eBay
K'nex Electric Inferno Roller Coaster. Condition is Used. Dispatched with Royal Mail 2nd Class Parcel. Model: 17040
eBay