Pulleys used in design via Groovy Lab in a Box

Groovy Customer Review via Groovy Lab in a Box STEM for Kids

#TBT 1889: The Otis Elevator in the Eiffel Tower used a pulley system power by two huge hydraulic cable lifts that ran on rail tracks. via Groovy Lab in a Box STEM for Kids

I Think. I Question. I Investigate. I Brainstorm. I Plan. I Create. I Engineer. I Struggle. I Collaborate. I Try . I Invent. I Test. I Redesign. I Learn. via Groovy Lab in a Box STEM for Kids

Pulleys used in design via Groovy Lab in a Box