I'm thinking of getting a couple of these for dds (2 yo and 4 yo) as they don't want to sit in high chairs, booster seats don't seem to work brilliantly but they are a bit too low down at the table to do activities etc at the table comfortably. Can anyone tell me a bit about tts for older children? Do you think I'll get a few years out of a tt or will they be a waste of money? Any views/experience gratefully received.