Okay, have looked out things I think are suitable for hols, here goes:
Pk3 white socks (primark, 3-5.5, BNWT)
Red t-shirt with diamantes (primark, 18-23, BNWOT)
3/4 length jeans (BHS, 2yrs, worn)
Lilac love heart t-shirt (Next, 1.5-2yrts, BNWT)
Cream t-shirt with lilac embroidered flowers (Next 12-18m, BNWT)
Set of 2 orange/yellow t-shirts (George, 1.5-yr, BNWOT)
Pink shorts (George, 1.5-2yr BNWT)
White t-shirt with butterfly (George, 12-18m, BNWT)
White t-shirt with red/pink cherry & flower design (George, 12-18m, BNWOT)
Aqua vest/t-shirt with poppers (Dunnes, 18-23m, BNWT)
Blue vest top (George, 12-18m, worn)
Blue/Green sundress (primark, 18-23m, worn)
Orange vest top with yellow buttons (George, 1.5-2y, BNWOT)
Red shorts with polka dot trim (primark, 12-18m, worn)
White crochet cardigan (Dunnes, 12-18m, BNWT)
Yellow Sundress with white/blue flowers & matching knickers (H&M, 12-18m, worn)
Denim shorts with tiers at the legs (Adams, 18-24m, worn)
Navy & white stripey leggings (primark, 18-23m, BNWT)
Peach sundress with multi-coloured design (George, 1-1.5yr, worn)
Charlie & Lola t-shirt & leggings set (George, 1.5-2yr, BNWT)
White linen 3/4 length trousers (next, 12-18m, worn)
Yellow strappy vest (next, 12-18m, worn)
White sun top with orange/pink flowers (Tesco, 12-18m, worn)
Denim shorts (Next, 1.5-2yr, worn)
White dungaree shorts with multi coloured flowers/belt (Primark, 12-18m, BNWT)
Pink vest top (next, 12-18m, worn)
Light blue t-shirt with buttons/frills (Ladybird, 1/5-2yr, BNWT)