This 158PCS Kids Construction Drill Set turns your child into a little engineer with everything they need to build, take apart and rebuild again. Inside the box are wood-look beams, plates, wheels, cubes, plastic nuts & bolts and kid-sized tools, plus a real working electric drill with forward & reverse function (powered by 2×AA batteries, not included). The low-torque, slow-speed drill is designed specifically for little hands so kids can safely screw pieces in and out while they explore how things work. Children can follow the included idea models to build cars, robots, animals and more, or mix and match parts to create their own 3D inventions. Playing with the set naturally strengthens fine motor skills, hand-eye coordination, color and shape recognition, problem solving and early STEM thinking. All parts are made from BPA-free, non-toxic plastic with smooth, rounded edges that feel comfortable to hold and are durable enough for everyday play. Whether used at home, in a classroom or shared between siblings, this construction drill kit is a great screen-free activity and a gift-ready choice for birthdays, holidays and other special occasions. STEM CONSTRUCTION PLAY FOR KIDS :Build cars, planes, robots and more while practicing creativity, problem solving and early engineering skills. WOODEN-LOOK PIECES & KID-SAFE MATERIALS :Soft macaron colors and wood-look beams made from durable, BPA-free plastic with smooth, rounded edges. REAL WORKING, KID-SAFE DRILL : Soft-speed, low-torque drill gently screws chunky bolts in and out with one-touch forward & reverse, powered by 2 AA batteries (not included). 158PCS TO BUILD MULTIPLE 3D MODELS : Beams, wheels, connectors, bolts and tools let kids freely design cars, planes and robots on their own, with plenty of extra pieces to share with friends or siblings. CARRY CASE FOR EASY STORAGE & GIFTING :All pieces store in the sturdy case, making a tidy, travel-ready STEM gift for birthdays or Christmas.