The following resources may be of interest if you are running a STEM afterschool or lunchtime club, and many are also be ideal for STEM weeks.
Royal Academy of Engineering
“The teaching and learning resources below have been developed in partnership with school teachers and engineers. They are primarily for use with Key Stage 3 students and provide ideas for enriching class-based learning or STEM club activities. An important aim of each resource is to enable teachers to engage their students with STEM through hands-on activity and stimulating engineering contexts. Many of the activities detailed in the resources take less than an hour, and can be used to create lessons or STEM enrichment.”
Useful Links: After School Club Resources