The 3.5 inch screen has better visual effects; the new appearance is more suitable for grip and better operation. Small and cute, easy to carry.Built in 23 sets, the number 01-23 displayed at the top of the screen is the sorting number of the game: 01.Classic brick game;02- 08 .Other brick game modes; 09. Tank War; 10. Racing game; 11. Bouncing ball; 12. Shooting game; 13. Barriers to bounce the ball; 14. Whac-A-Mole; 15. Complete shooting game; 16-23. Various reverse brick games Press the ROTATE button to select the game corresponding to the number, and press the S/P button to enter or pause the game. If the player first presses press S/P key to pause, then press ON/OFF key to power off, you can play with the latest progress at next start.GAME LEVEL/SPEED can be adjusted. After pressing the ROTATE button to select the game (do not start the game), press the UP/DOWN buttons to select the pattern of the selected game before starting it; Press the LEFT/RIGHT keys to select the level (LEFT) and speed (RIGHT) of the selected game before starting it.2 AA batteries, the AA battery is easy to buy. Under normal circumstances, 2 AA batteries can last over a month (depending on the quality of the battery).