Duplo Baseplate Multi Leveled with Slopes and Steps 12 x 12 with Four Studs in Each Corner

Reference

44823

Duplo Baseplate Multi Leveled with Slopes and Steps 12 x 12 with Four Studs in Each Corner (part 44823) is a LEGO element. CollectORbuild's catalog records it in 1 set, including Tiny & Friends.