Function Brick Round 4 x 4 x 2/3 with 2 Studs and Slingshot Print

Reference

19981pr0025

BrickLink® #

18605c01pb25

Function Brick Round 4 x 4 x 2/3 with 2 Studs and Slingshot Print (part 19981pr0025) is a LEGO element. CollectORbuild's catalog records it in 1 set, including Bart Fun Pack.