I got one from Aldi! A little while ago, but it seems I definitely got lucky at around $30. Mixed results. He knows what it means, but at just over 2.5, he has little patience and it really depends on when he wakes. If he wakes at 6:10, waiting 5 mins is easy, if he wakes at 5:30, well that's a whole 'nother story. Looking forward to him learning to go back to sleep!