KNEX Screamin Serpent Roller Coaster Replacement Part Audio Sound Effect Box ~ $10 Categories: Building Toys Construction Toys K'nex Knex Replacement Parts & Pieces Roller Coaster Get link Facebook X Pinterest Email Other Apps KNEX Screamin' Serpent Roller Coaster Replacement Part/Piece: Motion Sensor Audio Sound Effect Box IN EXCELLENT WORKING CONDITION! (The paper serpent coaster display page and manual are not included.)
