K'NEX Education STEM Explorations Roller Coaster Building Set - 546 pcs

K'NEX Education STEM Explorations Roller Coaster Building Set - 546 pcs is an educational construction set featuring 546 pieces and a battery-powered motor to build a working roller coaster, ramp or half-pipe while exploring STEM concepts through hands-on experiments. Specifications: Brand: K'NEX Education, Type: STEM Roller Coaster Construction Building Set, Contents: 546 building pieces, battery-powered motor, building instructions and STEM experiment guide, Features: 3 models, motorised construction, STEM learning, creative problem-solving, ages 8+, 2 AA batteries not