Lego vortex, experiment video for intermediate/upper-intermediate learners Lego vortex, experiment video for intermediate/upper-intermediate learners

Lego vortex, experiment video for intermediate/upper-intermediate learners vLego vortex, experiment video for intermediate/upper-intermediate learners

Creating a Vortex With Lego Motors

creating-a-vortex-with-lego-motors

Let's do English ESL deep listening: focus on meaning. Lego vortex, experiment video for intermediate/upper-intermediate learners Lego vortex, experiment video…