📊 Want to track your progress? Play in Registration System
See an element image and guess its Value Letter (A–K).
Look at a symbol or description and choose the correct apparatus.
Pick the right answer out of 4 options for each element symbol.
Answer as many as you can in 60 seconds! Fast-paced challenge.
Sort elements into the correct apparatus by tapping symbol → tapping apparatus.
View elements (image + symbol + value letter) in order or randomly.
Choose elements step by step and build your routine.