Simply trace the screen to create a Rube Goldberg machine!An easy-to-use educational app designed for infants and children it allows them to create fun devices similar to those featured on Rube Goldberg machine (Chain reaction machine).Fun devices will start moving around your smartphone, bringing great excitement to both children and adults!Use a dragging motion to draw a line and create a simple device that follows that path, and then try changing the device afterward!The longer the straight line, the more devices you can choose from, so parents are encouraged to help their small children play this game.Have fun making your device move in many different ways!We plan to add many more devices in the future!*Method of operation:- Trace the screen with your finger to create a path.- Lift your finger to create a simple device.- Press the Dog button to go into Edit mode. Tap the device to swap it for another one.- Press the Start button to start. Have fun by changing the angle and the zoom on the camera.- Sound effects: turn them on/off from the options on the top right of the top screen.- Music: turn it on/off from the options on the top right of the top screen.- Device shadows: turn them on/off from the options on the top right of the top screen. *If your smartphone is showing low performance, we recommend turning the shadows off.