Instonians are through to another All-Ireland youth final as their Under 11 side beat Bonds Glen by 59 runs in the semi-final.
Batting first, Boyd scored 49 and Crothers an unbeaten 20 in their total of 117 for 5.
Ben Walsh then took two wickets for one run as Bonds Glen were restricted to 58 for 9 - Samuel Haslett top scoring with 18.
Instonians now meet Pembroke in the final at Sydney Parade on Sunday September 8th (10am) when they will attempt to emulate the U13 side which beat Coleraine to clinch the title last month.
All-Ireland U11 semi-final.
Instonians 117-5 (A Boyd 49, L Crothers 20*, J Haslett 2-18)
Bonds Glen 58-9 (S Haslett 18, B Walsh 2-1)
Instonians won by 59 runs.