expression
wait and see; you'll see when you see it
A playful or teasing phrase used to build anticipation, often when someone asks about a surprise or future event. Literally 'the enjoyment is in seeing it'.
プレゼントは何かって？見てのお楽しみだよ。
What's the present? You'll see when you see it.
結果は見てのお楽しみです。
The results are something to look forward to.