Coming to that time of year for soil, mulch and pavers deals. This one seems quite early
Home Depot 12 in. x 12 in. x 1.5 in. Square Concrete Step Stone
https://www.homedepot.c
Obviously it’s going to be regional.
Lowes had them at this price two years ago – aside from that, this size has rarely been discounted.
Update, you might have some luck with this one too
Oldcastle 11.75 in. x 11.75 in. x 1.5 in. White Concrete Step Stone
https://www.homedepot.c