6V 1.5kg/cm Analog Micro Servo, 9g Weight, 22.6mm x 11.4mm x 22.2mm Air powered and no batteries

Air powered and no batteries needed = LOTS OF FUN

fertilizer tank

Alternative

This Nobel Prize winner for Physiology is also one of the world's most distinguished cytogeneticists

Predator-prey relationships

6V 1.5kg/cm Analog Micro Servo, 9g Weight, 22.6mm x 11.4mm x 22.2mm Air powered and no batteriesThis tiny lightweight servo features high output power and rotates about 180 (90 in each direction). The servo's cable has a standard JR style connector on the end. Control with any servo code, hardware, or library. Includes five different horns (arms), a horn screw, and mounting screws. Key Features Dimensions: 22. 6 x 11. 4 x 22. 2mm Weight: 9g 0. 32oz Operating Speed: 0. 12 sec 60 Operating Speed (4. 8V no load): 0. 12sec 60 degrees Stall Torque: