Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

You need a [1a] [?] and some [1b] [?] for canoeing.
You need a [2a] [?] and an [2b] [?] cylinder and a [2c] [?] for diving.
You need a pair of [3a] [?] and [2b] [?] for skiing.
You need a [4a] [?] and a [4b] [?] for skateboarding.
You need a [5a] [?] for parachuting.