Ugears - STEM Lab Counter - DIY Engineering Puzzle Kit

The Ugears STEM LAB Counter is an engaging educational model and hands-on study guide designed to demonstrate how a mechanical counter works-perfect for both learning and play. Inspired by the mechanics of an odometer, the counter features three cylinder gears (numbered 0–9) and a Geneva Drive, making it an excellent STEM tool for kids and adults alike.

With this clever design, you can observe how the reciprocating motion of the Click-Button-powered by the Geneva Drive-translates into rotary motion in the number cylinders. The counter offers two modes of data entry: a Click-Button on top and a Turn Handle on the side. Each press or turn shifts the number by one, and when the counter passes 9, the Geneva mechanism engages the next gear, continuing the count up to 999.

This detailed mechanical model includes a front panel that opens for manual resets, encouraging interactive exploration. Commonly used for tracking event visitors, cars at checkpoints, scores in games, or items on a production line, this counter also brings a creative twist to everyday activities-try counting stairs, steps, or even cars by color during a walk.

Built without glue and using eco-friendly plywood, this DIY counter kit offers a satisfying building experience while enhancing problem-solving and mechanical reasoning skills.