The Boost kit adds moving and sensing parts - servo motors, switches and light sensors - plus handy bits like a timer. Kids shift from basic builds to projects that can move, light up and react all by themselves, boosting both curiosity and confidence. Includes 29 pieces, with 10 electronic blocks, 18 other accessories and 1 instruction book, with 7+ projects and over 90 unique circuits to experiment with. Size: 36 x 30 x 5 cm. Ages 7+.