Though there is no need to prepare for the contest,
you might want to get a feel for the style of the Bebras tasks.
There are sample questions shown below to do so:

• Castors (8-10)
• Benjamin (age 10-12)
• Cadet (age 12-14)
• Junior (age 14-16)
• Senior (age 16-18)

Try a full challenge

You can try out our practice challenge here.