Ugears / Play & curiosity

STEM Lab Curvimeter Kit

Build a wheel for measuring a winding line.

The wooden kit assembles into a curvimeter for exploring curved-distance measurement. It is an educational model, not a substitute for a calibrated professional measuring instrument.

Why we’d gift it

For someone who enjoys understanding the tools they use.

$19.99 USD at last check

Standard

Available when checked on October 30, 2026.

You’ll buy directly from the brand. Price and availability may have changed; confirm shipping and current details there. How our links work.