Box 1 Includes

• 6 cell holders;
• 6 lamps with support;
• 3 simple switches;
• 3 bidirectional switches;
• 18 connecting wires;

Box 2 Includes

• 20 lamps;
• 4 variable resistors;
• 3 engines;
• 3 bells;
• 2 electrodes;
• 3 diodes;
• 3 fixed resistors;
• 4 universal clamps;
• 8 crocodile tweezers;
• 6 steel rods;
• 6 coal sticks;
• 1 plastic coated wire spool.

Supplied with instruction manual.