Includes inventions such as 3-D printers, abacus, bicycle, compass, battery, first computers, flushing toilet, light bulb, microscope, inventions in the home, steam engine, telephone, telescope, television, wheel, and writing.

Tinkercad is a free, easy-to-use app for 3D design, electronics, and coding.

Design and 3D print your own articulated charm bracelet, of any length!

This lesson explores the algorithms used to divide a standard piece into any number of fractions and line them up side by side to recreate the whole.

Design and 3D print an articulated snake, of any length!

In this activity, students design and build a balloon-powered car for play or to compete in a performance challenge.

In this activity, students will learn the manufacturing process of casting and molding as well as 3D design.

Students use Tinkercad to design and create original coins, medallions, or other decorative items that depict the important features of a person, place, thing, or concept.

In this activity, students design and build electric toy Rovers that run on monorail tracks.

In this activity, students practice the Engineering Design Process on a challenge that is relevant to them, while learning 3D modeling on Tinkercad.

In this lesson, students will learn about fractions by creating cookie cutters in Tinkercad, 3D printing them, then using the cutters with Play-Doh or modeling clay to create and compare different fractional amounts.

In this activity, students use Tinkercad to design their own rulers with custom units and features.