Cyanoacrylate glue will "frost" acrylic often leading to undesired results. If you want crystal clear acrylic we recommend using an acrylic cement or PVA (white) glue. We've had great luck with TAP brand products. If you do use CA glue and have frosted your acrylic you can try acetone to remove ...
We recommend a flat enamel based primer. We typically use Rustoleum but any brand should suffice. Water based acrylic primers will soak into the wood and can cause difficulties when assembling the kits.