Surface Currents, Waves and Tides (526) In Stock Now

Wind Activity Materials: For each group:

Water (NOT PROVIDED), Dishpan, Straws, Paper, confetti, hair dryers, Wave maker (half of a plastic plate or other 4-inch by 6-inch piece of wood or plastic),  Gravel (optional).


https://youtu.be/HDsUMqYuUm8?si=Oe0Dg9j_47rq9UhT