Assemble the components on the board and produce over 50 electronic circuits: alarm, sound effects, digital screen. No-solder, no-danger components: LEDs, photosensitive, magnetic and touch-sensitive switches, transistors, resistors, loudspeaker, rotating light. Illustrated colour booklet. Included : 1 circuit board unit, 1 magnet, 8 x 10cm-connecting wires, 5x 20 cm-connecting wires, 5x 30cm-connecting wires, booklet, memo holder base, memo holder support, rotating light base, LED support, LED bulb, axis, red and blue cover, gear, motor, rotating light support, transparent cover, stickers, fixing, sprin, battery compartment, speaker, instruction sheet. RETAIN THE PACKAGING FOR FUTURE REFERENCE. The colors and content may slightly vary. Requires 2 AA batteries
