• This set included AA Battery Box *1(8881), AAA Battery Box *1(88000), small motor*1, medium motor*1 (8883), large motor*1 (88003), extra-large motor*1 (8882), train motor*1 (88011), switch*1 (8869) and light wire*1(8870).
• The AA battery box requires 6* AA (1.5V) batteries, not included. The AAA battery box Requires 6* AAA (1.5V) batteries, not included.
• Build the train motor into your train construction toys to make them move.
• Build the control switch into your model to change the direction of a motor with the flip of a switch or lever.
• Lights add sparkle and interest to your block creations!