Once we made them, I reviewed with the kids how to count the edges, vertices and sides (faces). I always show them how to count from the top, middle and bottom so they don't miss any.
Later in the afternoon, we created some other 3D solids while we were making cookie dough. I challenged Nyella to make a cone, a cylinder and a sphere as we couldn't make these ones with the magnatiles or skewers.
Following a child's interest is the most engaging way to extend on their learning. Here I have posted some every day activities that can draw from various strands across different age groups. Remember each child has different interests so the key to working with your child is to follow their lead and ask the right questions.