K'NEX 80216 Amazin' 8 Coaster Building Set, Colourful Construction Set for Boys and Girls, 448 Piece Kids Building Set for Children Aged 7 Years and Older

Twist, Turn, Dive & Swoop - Get Ready For Blast Off The KNEX Amazin 8 Coaster building set creates a real working roller coaster. This set comes with 448 parts that snap together with a satisfying click, plus a coaster car and track. A motorized chain lift sends the coaster car screaming through twists and turns. KNEX supports key areas of a developmental growth and a greater understanding of stem subjects. Easy-to-follow instructions are included for a frustration-free building experience. Buil... - Manufacturers part numbers: _|T4YLQ