The Base Inventor Kit is the perfect introductory set for your child! Included is 1 power, 1 sound trigger, 1 long LED, 1 Servo, 1 Latch, 1 Slide Dimmer, 1 Proximity Sensor, 1 Buzzer, 2 Wires, 1 Battery + Cable, 1 Mechanical Arm, 2 Mounting Boards and 9 Paper Templates. All these bits and accessories are for your kids to create and start turning their ideas and inventions to life! These bits make noise, light up and also move which provide kids with STEAM (Science, Technology, Engineering, the Arts and Mathematics). For childresn ages 8+.