>>11064540>the shell monster designs are cool>unfortunately they're just a rubber case that does nothingAt the risk of drifting further off topic, from Monster/Monster Wrestlers in my Pocket to Mini Boglins, collectable little rubber/plastic monster guys that looked cool were somewhat of a phenomenon and still have many fans today.
These ones, however, also housed a Transformers combiner component. In playability terms, they also gave you specific storage ports for all of the combiner kibble when the inner TFs are uncombined AND let you have twelve little monster dudes running around at once instead of just six.