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 general vocabulary practice. Lego vortex, experiment video for intermediate/upper-intermediate learners Lego vortex, experiment video for i…