cardboard box base, cover it with silver poster board and then raid your junk drawer for fun objects to attach to the top including a steering wheel, location tracker screen and robotic arm control. Here are some more ideas:
Push Buttons and Dials
gum in the package
large detergent cap
clear plastic egg carton
detergent snap cap
plastic lids
paper plate
CD
foil pie tin
Good Fasteners
rubber bands
pencils
pipe cleaners
glue
tape
Gauges and Gadgets
digital alarm clock
freezer thermometer
turkey baster


