Toy Scory: Fun out the box: 4/5 Value for money: 3/5 Re-play value: 5/5 Share- ability: 4/5 Overall Toy Scory: 4/5. Hot Wires. Age , The plug and play electronics set. Over action packed experiments involving light, sound and movement! Make anything from a. Buy Hot Wires Plug & Play Electronic Set from our Science & Discovery range at Tesco direct. We stock a great range of products at everyday prices. Clubcard. Home Science Kits Hot Wires Science Kit. Search for comdirect sparplan store. Deliveries to stores in Northern Ireland and outlying areas of the UK may take a little longer. Added to your Basket. This kit includes components like resistors, LEDs, capacitors, a working radio, a transistor and light sensors.