Links for 3D Solids and Nets

You can choose a variety of 3D solids and press play to see the solid open into a net:

https://www.learner.org/interactives/geometry/3d_prisms.html

Here is a video to explain nets:

https://www.geogebra.org/m/pCv2EvwD

A cool interactive site where you choose a 3D solid, then you can move it around, and count the edges, vertices, and faces.  You can also see how it opens into a net.

https://www.nctm.org/Classroom-Resources/Illuminations/Interactives/Geometric-Solids/