Just a wee tip for anyone doing this, if you're planning on using the train/subway, get a Roundabout ticket, its £5 covers you from Motherwell to Dalreoch, down to Paisley Gilmour St, and along to Drumgelloch, and Springburn, Barrhead, Croy and all of the Neilston, Newton and Circle stations £2.50 for kids.
Unlimited travel valid all day sat/sun, can get it from manned stations and on train at un-manned stations.
Alternatively the Daytrippers are still available too...1 adult/2kids £9, 2ads/4kids £16 or the Kids Go Free 1ad/2kids, 2ads/4kids (price dependant on the cost of the journey), issued same as the roundabout.
Hope this helps