“…Reflection is foundational in modern STEM education (e.g., Next Generation Science Standards , NGSS Lead States, ; Framework , National Research Council, ; Strands of Informal Science Learning , National Research Council, ). It may be especially important for the consolidation of learning from hands‐on activities, such as tinkering (see Haden, , for similar arguments). This is because conversational reflection can facilitate what Sigel () called distancing and what Goldstone and Sakamoto () called concreteness fading – learning to focus less on the specific objects and more on the general knowledge and concepts that can be learned from object manipulation (Fyfe, McNeil, Son, & Goldstone, ; Uttal, Liu, & DeLoache, ).…”