Hard boil your eggs: Place eggs in a pot and cover with cool water by 1 inch, bring to boil over medium heat. Remove from heat when it starts to boil, remove from heat and let sit 12 minutes. Pour into collander, and run cool water over to stop cooking.
Meanwhile, slice vegetables. Cucumbers should be sliced and then each slice cut in 4. Slice cherry tomatoes on long side and then cut in half again.
When eggs are cooled, slice in half.