Duplo Cannon Ball 1/2 with Axle Connector and 4 Holes in Top

Reference

54043b

Duplo Cannon Ball 1/2 with Axle Connector and 4 Holes in Top (part 54043b) is a LEGO element. It appears in 7 sets, including Agent Mater and Batcave Challenge. It has been produced in 3 different colors.