Creative Electric Mosaic Drill Set is a double-sided game board, children can not only play DIY games and eating a meal. After the board is removed, toy building sets can be converted into a water table or a sand table. This 417 pieces workbench including a hammer, saw, screwdriver, wrench, vise, screws, nuts, bolts, gears and more creative parts for building, which can help kids learn to use the wrench and screw driver. Excellent for developing hand eye coordination. And the stem activities for kids help developing motor skills and imagination which is a toy that practice kid thinking still ,creativity and exploration ability. Compared with playing mobile phones, iPads or playing games, it makes children's play time more challenging and meaningful.