Pete Zahut wrote:

We bought four of these storage boxes at Asda
http://tinyurl.com/ya7a3cjq

We need to cut them up and glue various pieces together

They're generally polypropylene (look for a "PP" or a recycling triangle
with a "5" inside) if so, that's a difficult "low surface energy"
plastic to glue, search for e.g. 3M DP8010NS