How do I make a sculpture with foam core?

I created a foam core sculpture that's around 3 1/2 feet tall and 2 1/2 feet wide. It's a series of triangles stacked ontop of eachother which curve towards the top so it looks like they are falling. The next part of the sculpture is to add texture and...

My project will not allow me to laminate it with anything. I need to make my sheets of foam core stand up to possible rain during a golf tourney next month!

What can I use to make it stand? -Super glue? -Blue tag?

I need to make a paper mache katana for a school project and I was wondering if I could use a ruler as a base instead of foam core/cardboard etc. Thank you in advance

I want to make a skim board with a foam core but from my understanding, i need something strong and 3/4" thick. Any idea where i can get such Strong 5lb density or so boards?

making a life size sculpture and have the shape i want to make but my base is too week because it is made of tape and foam, tried adding the clay to see if i could do it and the legs weren't able to hold the weight. im using air drying clay and i put...