Sonic Underground is an LCD game created by Tiger Electronics in 2000. The game case was shaped like Sonic holding a guitar, an instrument he uses in the television show Sonic Underground. This is one of the few Sonic games to be based off a television series. The background of the game seems to be from one of the Sonic television shows, most likely Sonic Underground.
Pocket Sakura is a Sakura Taisen-themed LCD digital pet developed by Jupiter and published by Media Factory, and released exclusively in Japan in June 2000. It tracks the wearer's steps with a built-in pedometer and allows for connectivity with the Game Boy Color game Sakura Taisen GB: Geki Hanagumi Nyuutai! for unlocking bonus content in that game.
The product is a vintage 1999 Tonka Construction Rig Electronic Handheld game by Hasbro. It is a handheld electronic game featuring the Tonka character family, specifically designed for children aged 4-7.