Features: 1) Electric light 2) Magnet-control electric light 3) Button-controlled light 4) Electric fan 5) Flying saucer 6) Light-controlled space war 7) Testing device for the connection of electric wire 8) Sound-controlled music doorbell 9) Enclosed 40 pages of user manual for reference 10) With IC 11) Can make 668 different kinds of circuitry 12) Can develop children\'\'s intellect 13) Can increase knowledge of electro-circuit Inner packing: 1pc/color box Box dimensions: 45.5 x 30 x 5.5cm Outer packing: 18pcs/ctn Carton dimensions: 55 x 49 x 69cm Volume: 0.186cbm N.W.: 23kg G.W.: 25kg