1. Microbots
2. Key to Vector Sigma
Takara was supposed to have included the "Star of Cybertron" power core crystal to be Megatron's sort of "Matrix". Takara must have shelved it( might have interefered with the transformation?)
BEWARE: Image Links Not Safe For Work
And the literal "Key" to Vector Sigma. (I believe a 3rd party manufacturer made one with the Vector Sigma sphere)





