K'Nex | Marble Run 3 Model Building Set (Motorised) | 350+ Pieces, STEM Learning Education Toy for Children, Engineering Construction for Kids, Boys and Girls Ages 3+ | Basic Fun 12467

MARBLE FUN: With 4 unique marble pathways to build, unlock your child's creativity with this 350+ piece building set for preschool children ages 3 and up. STEM TOY: Science, Technology, Engineering & Math. This K'NEX Marble Run Motorised building toy helps your child develop useful life skills. 350+ PIECES! This set includes over 350 K'NEX pieces for you assemble your marble masterpiece. Use the motor to maximum mechanical fun! 3 MODELS: This model building set includes 3 design templates with easy-to-assemble components, for a fun building experience. GREAT GIFT: for kids ages 3+. The K'NEX Marble Run set (Motorised) would make a great gift for a creative child aged 3 and above - who loves building sets, engineering and marbles., Manufacturer: K'NEX