Ltpgt this combines fun with technology and agility ensuring that whilst your child is enjoying themselves theyaposre also having the most effective workout they can have trampoline size 100cm diameter x 23cm height requires 4 x aa batteries and 3 x aaa batteries not includedltpgt ltpgtturn on the console box and follow the lights on the box to jump on the trampoline dance mat if you jump on the correct colours you will hear sounds and get a point on the digital scor