Billabong Kids - On A Rainbow Rev High Neck Two-Piece Swim Set (Little Kids/Big Kids). Color Multi. On sale for $23.08. MSRP $65.95.. Add to favorites. 0 people have favorited thisBrand NameBillabong KidsProduct NameOn A Rainbow Rev High Neck Two-Piece Swim Set (Little Kids/Big Kids)ColorMultiPrice$23.08MSRP: $65.95