While button A being pressed, the trebuchet executes the launch order and will return to its original launch status automatically.
While pressing button A+B, the car moves at the full speed; button A for turning to the right side at the full speed; button B for turning to the left side at its full speed; the screen faces downside for moving back at the full speed; and shake the car for stopping.
When button A being pressed, the wiper begins working; while buton B being pressed, the wiper stops working.
When the value is over 28 degrees, the fan turns; while less than 26 degrees, the fan stops turning.
When power on, the red LED lights on for 3 seconds, then the yellow led in 1 second and the green one in 3 seconds at last.
Smart Desk Lamp
It lights on automatically while the surrounding light is low and lights off when the returned value is higher than your set point.
Almost 200 Pieces Bricks
Children can use these rich building blocks to build more favorite shapes!