Bobblehead - Repair

 is a Fallout 3 item, a Vault Boy Bobble-head. It permanently improves your character's Repair skill by 10, to a maximum of 100. The Repair skill allows the loan wanderer to repair/combine his/her weapons to a higher condition, a repair skill of 30 is needed to fix the leaks in Megaton.

Location
Found in Evan King's House in Arefu (requires 50 Lock-pick to get in; costs Karma). As soon as you enter, look to your left. It is on the white table.