Spec Check: 7 function ,length 470mm ,width 220mm ,height 218mm ,scale 1:24 ,forward , reverse ,turning ,dumping action ,working light , rocks & boulders included ,9v battery for Transmitter included    ,4.8v 600mah ni-cd battery included , AC charger included

9 function ,length 743mm ,width 222mm ,height 490mm ,scale 1:12 ,forward/reverse ,rotating cab ,digging motion with moving arm ,light ,caterpillar track ,9v battery for Transmitter included , 7.2v 600mah Ni-Cd battery included ,AC Charger Included

10 function ,length 590mm ,width 210mm ,height 660mm ,scale 1:6 , Lights, forward/reverse, rear turning action, realistic lift and tilt  ,Extends to nearly 70cm , Realistic pallet and drum included ,9v battery for Transmitter included ,7.2v 600mah Ni-Cd battery included , AC Charger Included

10-Fucntion , Length 950mm , Width 222mm , Height 958mm  ,Scale 1:12 ,Forward, reverse, rotating cab, lower and raising cran arm and bucket, caterpillar tracks , Rocks and boulders included ,9v battery for Transmitter included , 7.2v 600mah Ni-Cd battery included ,AC Charger Included