The Boson kit breaks down complicated circuits into simple, functional modules that are easy to understand. The kit requires no coding or soldering and is ideal as a STEM classroom teaching tool. Boson modules have built-in magnets and can be used with screws, Velcro and even LEGO! Boson modules can be fixed on a wide variety of materials such as paper, wood, fabric, whiteboards or your own LEGO creations! Modules under different categories are intuitively coded in four colors. Boson Inventor kit brings you:A total of 37 modules, including 7 input modules, 6, actuators, 18 function and 6 power modules (check out the shipping list for more details).12 Activity cards that teach kids how to build interactive projects with LEGO blocks, wearable materials and attached cardboards instantly. WARNING:Adult supervision is recommended for children under 8 years old. Specification * Dimension: 22x34 mm & 34x48 mm * Package dimension: 130 x 220 x 300 (mm) Shipping List Input Modules * Rotation Sensor x 1 * Push Button x 1 * Self Locking Switch x 1 * Light Sensor x 1 * Tilt Switch x 1 * Sound Sensor x 1 * Motion Sensor x 1 Output Modules * Ultra Bright LED x 1 * LED String Light x 1 * Buzzer Module x 1 * Voice Recorder Module x 1 * Motor Controller Module with Gared Motor x 1 * Servo Controller Module with Servo x 1 Function Modules * Logic Module-AND x 3 * Logic Module-OR x 3 * Logic Module-NOT x 3 * Splitter Module x 3 * Threshold Module x 2 * Reversible Counter Module x 2 * Duration Module (0-60s) x 2 Power * Mainboard-3IO x 2 * Mainboard-1IO x 3 * 3xAAA Battery Holder x 1 Accessories * Activity cards x 12 * Project cardboard x 5 * MicroUSB Cable x 1 * Cable (5CM) x 20 * Cable (10CM) x 20 * Cable (15CM) x 20 * Velcro pack x 2 * Screw pack x 2