Buy the whole wave or each figure separately.
https://www.entertainmentearth.com/product/tmnt-turtles-in-time-series-2-7inch-action-figure-set/nc54115aa
Ent. Earth :
https://www.entertainmentearth.com/product/tmnt-turtles-in-time-series-2-raphael-7inch-action-figure/nc54116
Ent. Earth:
https://www.entertainmentearth.com/product/teenage-mutant-ninja-turtles-turtles-in-time-series-2-michelangelo-7inch-action-figure/nc54117