The biggest challenge is to train primary teachers to deliver awe-inspiring STEAM content to young learners. As such, Rock it Science (My Discovery Lab sister company) have designed a hands-on training course called the E's of STEAM. We encourage teachers to Engage with a sensory activity that captures the learners' imagination, allowing them to Enquire, to pose a question. They are then left to Explore, to answer this question. Only then will they be able to Explain their results and Evaluate them.
To deliver this message, we feel that it is important to train teachers in the same way that they are expected to teach: with minimum words and maximum sensory experiences.