knex - Power & Play Motorized 529 pieces 50 buildsEncourage hands on learning and creative expression with the K'NEX Power & Play Motorised Building Set, a dynamic resource designed to engage children in meaningful, construction based play. With 529 versatile pieces, including rods, connectors, wheels, and a battery powered motor, this set allows children to build up to 50 unique models, from vehicles to amusement rides and rockets. Perfect for learners aged 7 years and up, this set offers a powerful