?Need something fixed? Call in your little builder. With the fisher price drilling' action tool set, little ones can screw the "wood" pieces together with their very own drill that actually works. This lean, mean, drilling' machine works in forward and reverse, makes realistic drilling sounds, and comes with interchangeable drill bits, so pre schoolers can choose the right one for the job. And everything stores easily within the toolbox, making clean up a breeze. Your little DIY er will love building and repairing with the drilling' action tool set. Where development comes into play fine motor skills: lining up screws with the holes and drilling the screws helps pre schoolers strengthen fine motor movements. Early engineering skills: matching up the right drill bits with the right screws. Discovering how the drill works to attach the pieces of "wood" together. Figuring out how to unscrew the screws. It's all engineering and it's all fun. Imagination: pretending to build or repair stuff helps pre schoolers build their imagination in a big way.