A CLIMBING HARNESS-- Purchasing your own harness ensures no wait time, you don't have to share, and it's likely your harness will be more comfortable than my loaners:) Below is a picture of the type of harness that is not too expensive but good quality. Amazon has lots to choose from!!
CLIMBING SHOES-- Students can climb on the wall in their regular sport shoes but climbing shoes give climbers TEN TIMES the advantage allowing much more weight to be taken by the legs which allows for kids arms to not burn out so quickly. The secret to climbing is in the feet actually:) Shhh.
Prices vary and again Amazon has many to choose from. I would suggest go with the baseline as children's feet change so quickly!
CHALK, CHALK BAG, CARABINER --Again, not completely necessary but this gives sweaty hands (it comes with nervousness when you're climbing) a boost on grip. Students can attach a chalk bag to their harness using a carabiner