OnBots 300 STEM Electronics Kit | for Kids Age 8 + | Build 300 Science Projects to Learn Circuits & Engineering | 60 Parts & Full Colour Manual | Perfect Christmas and Birthday Gift for Boys & Girls

Price: $39.95
(as of Mar 21, 2026 03:00:49 UTC – Details)

Take your STEM learning to the next level with the OnBots 300 STEM Electronics Kit – the advanced follow-on from the popular OnBots 100. Packed with 51 components and 300 experiments, it’s designed for children aged 8 +, teens and even adults who want to understand electronics and engineering through hands-on experience. Perfect for school science projects or home STEM learning, the kit introduces core concepts in electricity and physics while developing skills like creativity, critical thinking, curiosity and collaboration. It’s suitable for individual exploration or team work of up to three learners. Each experiment is supported by a comprehensive colour manual that guides you step-by-step through building safe, working circuits while explaining what each component does – from switches and resistors to transistors and sensors. The OnBots 300 kit is fully compatible with other OnBots and Snap Circuits sets, allowing learners to expand their collection and continue building more advanced projects as their skills grow. A perfect gift for birthdays, Christmas or STEM enthusiasts of any age – learn, build and create your own electronic adventures.
[300 STEM Projects – Learn How Electronics Really Work] Build a working radio, light sensor, fan, sound module and more. Each of the 300 projects helps learners discover how real-world circuits function through hands-on experimentation.
[Perfect for Ages 8 + For Kids, Teens and Curious Adults] Ideal for ages 8 and above, this STEM electronics kit supports school science projects and home learning alike – a great fit for independent builders or teamwork of up to three learners.
[Beginner Friendly – Includes Full Colour Step-by-Step Manual] The illustrated guide walks you through each experiment clearly and safely. Beginners quickly gain confidence as they learn what each electronic component does and how to use it.
[Develop Key STEM Skills for Life] Encourages creativity, curiosity, logical thinking, teamwork and resilience as children solve problems and see their ideas come to life through engineering and experimentation.
[Expandable and Compatible with Other OnBots and Snap Circuits Kits] Designed to grow with your skills – connect with other OnBots or Snap Circuits sets to create even bigger STEM projects and extend the learning journey.