KNEX Speed Machines 10 Model Building Set 150 Pcs 61003 Carrying Case 2006 VTG K'NEX Speed Machines 10 Model Building Set offers a versatile construction experience with 150 pieces designed to create various high-speed vehicles. This set is unique for its compatibility with all leading building brick brands, allowing for expanded creative play. Housed in a durable blue plastic carrying case with a built-in handle, it provides easy storage and portability for builders on the go. The set includes instructions to build a helicopter, race cars, planes, and more, fostering fine motor skills and engineering interest in young minds. Brand: K'NEX Model: Speed Machines Set Number: 61003/69999 Piece Count: 150 Models Included: 10 Compatibility: Leading Building Bricks Case Material: Plastic Case Color: Blue Age Recommendation: 5+ Year: 2006 Country of Manufacture: USA Theme: Transportation Skill Level: Beginner/Intermediate Educational Focus: STEM Keywords: Construction Toy, Building #Unisex