Specifcally designed to be used with Botley the Coding Robot (not included, available separately) to engage children in Science, Technology, Engineering and Maths. Primary learners will get hands-on with STEM learning, exploring early coding and programming concepts. This add-on extension pack includes 38 pieces; dominoes, balls, ramps, and swinging hammers to set up cause and effect experiments. Suitable for ages 5+. .