This set provides four Circuit Blox 395 kits (CB-0170), all packed into a sturdy storage case for sharing in the classroom. Each kit provides hours of fun and educational play. The colorful building blocks contain electronic components such as a battery module, switches, LEDs, resistors, photo-resistor, capacitors, transistor, motor, speaker, IC sound module, amplifier or FM receiver. Each kit builds 395 different 3D circuits that teach STEM and light a star, spin a motor to launch a fan high in the air, play music, sirens and space battle sounds, and even build your own FM radio and alarm clock!

• Contains 264 parts
• Build 395 different projects that all teach STEM
• Directly compatible with other brick building construction sets
• Requires 12 "AA" batteries
• Ages 8 and up
• Learn about voltage, current and how circuits with switches, LEDs and generators work