Jittery Monkey nuluvA Jittery Monkey toy is a plush toy with a built in mechanism that allows the monkey to vibrate or jitter when pulled, often designed to be a sensory and developmental toy for babies. These toys are typically made of soft, plush materials and often feature a convenient C clip for attaching to strollers, cribs, or car seats. They may also include other elements like a teether on the hand or crinkly leaves for additional sensory stimulation.