Key Board Mini Wireless With Drag Pad soldering Since this kit could be

Since this kit could be programmed by "Arduino Code" we may say that's it is suitable for 10+ years old kids

SIM900 GSM GPRS shield is based on a chip of SIM900 from SIMCOM and is compatible with Arduino and its clones

there is a sim card jack and a holder for a 3V CR1220 battery for the RTC (real-time clock)

1pcs Ultrasonic Sensor

Capacitors: 3* 10µF

Key Board Mini Wireless With Drag Pad soldering Since this kit could be3 in 1 MultiFunction 2. 4GHz Mini Wireless QWERTY keyboard, TouchPad combo, LED backlit with USB interface adapter. Perfect combo: 92 keys Wireless QWERTY Keyboard + Touchpad which support multi finger functions, A single finger click as left mouse function, two finger click as the right mouse function, double finger drag as the rolling screen Built in high sensitive smart touchpad with 360 degree flip design.