Snaen Circuit Kits Circuit Blocks For Kids Electronics Exploration Kit Diy Product Details Circuit Blocks Kit - This educational scientific set includes the bottom plate, power host, spray module, microphone module, RGB light module, speaker module, motor module, fan accessories, flying saucer accessories, dial switch, light sensor switch, shock switch, knob switch, water addter, optical fiber, Four -headed port, 10? resistor, 100? resistor, flash neon, 10*wire. This complete electric motor kit good for kids experiment and explore basic electrical simple circuits. 108 Circuit Science Experiments - Build over 100 exciting projects with this electronics block kit! Includes 30 pieces build exciting projects such as a small fan, horn, microphone, Didi alarm, traffic lights, and more! It can be used in school in science, STEM, technology and design courses, easy to meet your project needs. STEM Education - Small circuits, big knowledge, this electronic building block set integrates multiple knowledge points and has high educational value. Children can learn circuit knowledge such as parallel connection and series connection. Constantly asking questions and thinking to stimulate curiosity. It is very suitable for display in school classrooms, and also suitable for discussion and interaction with children in daily life. Exquisite Manual - The science kit comes with a 20-page color instruction booklet. 108 kinds of circuit construction methods are explained in detail. The colorful illustrations attract children's attention, and the detailed text step-by-step instructions allow children to understand circuit knowledge more clearly. Perfect Gift - This circuits set is the perfect gift for boys and girls aged 3, 4, 5, 6, 7, 8, 9 years old. Let children transform into little physicists, a variety of ways to play, free assembly, expand thinking, and develop different playing experiences. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.