Number of Pieces: 120
Suggested Age: 8 Years and Up
Assembled Dimensions: 3.9 inches (W)
CPSC Choking Hazard Warnings: Choking_hazard_small_parts
• Observe Interesting Mechanical Features
• Importance of Gears, Rotation Speeds, and the Drive Shaft
• Download App for Unique Augmented Reality Experience
• Directions are Easy to Follow
• 8 Years and Up
Using the basic STEM concepts, this mechanical gearbox is an advanced learning experience that can really operate as a 4-speed box. While its construction mirrors that of an advanced 3D puzzle, there is much to learn and discover. The pieces that make up the gearbox can be found throughout much of our daily life, giving the user a new perspective. Approximate assembly time: 1-2 hours. Size of model: 4.3"H x 3.9"W x 5.1"L. Includes 120 pieces, a pocket model study guide, detailed instructions.