Thanks to JandNMum, I've been following your tips about small amounts of water in a tealight holder - Boomer is getting to grips with it. She is good at picking the glass up and drinking from it - although I must say there is a certain amount of splash back. The return to highchair is a little more erratic with the glass often ending up in the catch bit of her bib. The plastic bib with catch scoop area actually is really useful - preventing the glass falling and catching the water that has ecaped her.