Ugears "Safe Kit" I DIY Self-Assembly Mechanical Kits For Teens and Adults smiley Number of components: 538

Number of components: 538

or reverse with a kinematic pair of gears with different ratios and

The model assembles like a puzzle without glue and special tools by following an illustrated color manual and is fun to play with

and makes entering and going out of turns easier for the driver

Like all other UGEARS models

Ugears "Safe Kit" I DIY Self-Assembly Mechanical Kits For Teens and Adults smiley Number of components: 538This is a real safe with a functional 3 digit combination lock. Build your own safe with a unique lock combination and store your precious things (or candy) in it! An outstanding gift on its own, once assembled, it may serve as a secret gift package, requiring a person to practice some safecracking skills. It is possible to get the right combination by twisting the knob and listening carefully to the clicking sounds (provided the safecracker knows the