Elenco Electronic Snap Circuits, Jr. Kit Budding engineers can get some hands-on experience with Elenco Electronic Snap Circuits, Jr. Kit (£40). The kit comes with 30 parts and instructions for more than 100 projects, including building a flashing light and a siren. Image Source: amazon.co.uk Elenco Electronic Snap Circuits, Jr. Kit £40 from amazon.co.uk Buy Now