Bop it toy - great for testing your co-ordination and reflexes. To activate the toy and to select a game- pull the blue handle and then follow the instructions. Before starting to adjust the volume turn the orange wheel. Then start playing - twist the yellow switch, pull the blue knob, flick the green switch or spin the orange wheel, once instructed to do so. requires 3 AA batteries. Good Luck!!!! See also C173 and C239