Hasbro - Transformers KRE-O Construction Set Basic Bumblebee Build your favourite Transformers hero, Bumblebee, in vehicle or robot mode with this 2-in-1 set of 75 KRE-O construction pieces 2-in-1 KRE-O construction set lets you build Bumblebee as a robot figure or as a sports car Set includes 75 KRE-O pieces Product does not convert Ages 6 to 12.