1. Home
  2. Shop
  3. Engineering & Building
  4. UGEARS STEM Lab Gearbox Model Kit
Illustration for UGEARS STEM Lab Gearbox Model Kit
UGEARS

UGEARS STEM Lab Gearbox Model Kit

Build a working wooden model of a car's manual gearbox.

Best for kids who want to see how a gearbox trades speed for force.

Ages 8+ Engineering & Building Screen-free
· $25 – $50 Typical price range

Paid link: Electroys may earn a commission at no extra cost to you. Listing verified October 28, 2026.

Send to family

Send a surprise

They’ll get a wrapped box that unwraps into UGEARS STEM Lab Gearbox Model Kit.

At a glance

Age guidance
Ages 8+
Price
$25 – $50
Screen needed
No, fully screen-free
Batteries
Not needed
Adult help
Varies
Play style
Solo or together
What it is
Precut wooden parts for a 4-speed gearbox model
Great for
Birthday, Holiday, Rainy Day

Kids press out precut wooden parts and assemble a working model of a four-speed manual transmission, no glue required. Shifting through the gears shows how different gear combinations trade speed for turning force, and an optional augmented-reality app shows real-world uses.

Why we picked it

  1. 01Working mechanism kids can shift and test
  2. 02No glue or cutting; everything is in the box
  3. 03Wooden model looks great on a shelf when finished

What they’ll learn

Gear ratiosTorque and speedPrecision assemblyMechanical reasoning

Always follow the manufacturer’s age and safety guidance. Small parts may be a choking hazard for children under 3.

You might also like

More picks like this.

More for ages 9–12
Typical price $25 – $50
View on Amazon
Esc

Add Electroys to your Home Screen

Three taps, then it opens like an app.

  1. 1Tap the Share button in Safari’s toolbar.
  2. 2Scroll down and tap Add to Home Screen.
  3. 3Tap Add. Electroys appears next to your other apps.