A human forehand with demonstrated independently actuating 4 fingers and thumb. Ability to pick at least 2 different objects with at least 2 repetitions. No readymade kits/chassis are allowed
Picking up at least a 400ml glass of water filled with water, holding it for 1 minute visibly above the surface and putting it back down, and no spillage of water in the process. No human intervention in the complete mechanical chain.