Learning Resources Code & Go Robot Mouse Activity Set. Recommended by the Good Toy Guide 2017. Education Resources Award Winner 2016 – Primary Curriculum ... We computed the price history for the Learning Resources LER2831 STEM-Code & with Amazon price historical data. This item is manufactured by Learning Resources. It is sold in the category Toys & Games. Amazon have it for sale at 46.99 £. We noticed a higest price of 55.00 £ and a lowest price of 16.50 £.