>> reporter: try not to punch me. it will tell you, right. here we go. ready. jenna: i don't know if i'm ready. okay. >> reporter: do you have coordination jenna lee, let's find out. jenna: i'm not sure, what are you supposed to do. >> reporter: it will tell you you follow the rhythm in the light and you put your hand in. it's really supposed to annoy parents at 6:00am in the morning when the kids read up. this is big foot. jenna: it's been breathing the whole time. >> reporter: from fisher price big foot stomps around, throws tantrums, exercises and takes long naps. sounds like a member of congress. if i can get this to work,. jon: i think you have to point it right at him. >> reporter: come on big foot, give us some action here. are we low on batteries. he takes two double a batteries not included. sorry about that. jon: he was actually complaining earlier that he was low on batteries. >> reporter: he's working now, right? you know what happened the crew was playing with big foot before