Shadowman39

Citadel Knex Ball Machine

Knex Skeeball Machine

Cataclysm Knex Ball Machine

Knex Leave Me Alone Box

Wipe Out Knex Ball Machine

Knex Coin Sorter

Knex Coin Sorter V2

Knex Motorized Card Shuffler

Knex Miter Saw

Knex Ball Juggler

Knex Stair Lift

The Depot: Knex Ball Machine with a Construction Site Theme -- At Blocks to Bricks Museum

Knex 8-bit Mechanical Computer - Update 1: The ALU