195 pieces with kid-safe electric drill. Stem set contains 195 pieces of blocks, a storage box and an electric drill, ideal for up to 8 players. Toys encourage learning through play, developing science, technology, engineering and mathematic skills. Improves imagination, creativity, hand-eye coordination, cognitive competence, operational and logical thinking. Enhances teamwork and social skills when cooperating with others. Certified Phthalate, Lead, Cadmium and Bpa free. Durable with no sharp edges. Newly upgraded electric drill locks screws better. Portable storage box improves organizational abilities. Detailed instruction booklet included. High-quality durable plastic pieces suitable for children 3-8+. Great gift for daily life, party, birthday, Christmas. Weight: 2.75 pounds