Cone Triangle Upright 6 x 6 with Top Cutout

Reference

upn0291

BrickLink® #

x605

Cone Triangle Upright 6 x 6 with Top Cutout (part upn0291) is a LEGO element. CollectORbuild's catalog records it in 2 sets, including Racers Hazard Kit and Stunt Pack. It has been produced in 2 different colors.