Vtech - Sit-to-Stand Learning Walker
The training farm has two volume settings: super loud and ultra, mega loud. It's not only loud, it's also repetitive. Even though it has about 11 tunes, it prefers to loop one or two. The actual hard plastic wheels slide more compared to roll, on most surfaces. It also features the quaint late-90s-era telephone handset-- probably the only one your infant will ever see outside of a museum in their lifetime.
I guess all this overstimulation would be fine, if a person could prove to me personally that baby will become a genius as an effect. But I'm a little skeptical that he's understanding much. As the second reviewer noted, the buttons do not respond consistently. If you push 1 from the 5 colored buttons along the bottom, the response rotates through several possible answers. It all just appears as an arbitrary jumble of lights and sounds.
As a walker, baby sometimes scoots it along, mostly on his knees. He generally appears to get better practice through cruising along other objects around the house. Just remember that infants have been learning to walk for eons. I am pretty sure caveman infants didn't have vtech learning farm walkers, and I'm certain they turned out fine.