K'NEX STEM - 546PC Roller Coaster Motorized Puzzle ultimately helping us be a

ultimately helping us be a little safer

It combines the excitement of a board game with the intricate movements of a card game

you'll wear this gear

Snapback closure for adjustable sizing

diamond painting light wrap

K'NEX STEM - 546PC Roller Coaster Motorized Puzzle ultimately helping us be aYour child can explore STEM concepts while building a working roller coaster with KNEX Education STEM Explorations Roller Coaster Building Set! The set will engage and energize middle school children as they boost their understanding of the STEAM (science, technology, engineering, art, and math) concepts associated with a real life amusement park ride. This KNEX Education Set includes over 500 parts, plus a battery powered motor, allowing a single