Image Item No. Description  tclogofloppy4  Education Instruction Floppy Disk 3.5in for 966-1 LEGO TC logo Master Disk, MS-DOS Catalog: Gear: Software: Educational & Dacta  tclogofloppy1  Education Instruction Floppy Disk 5.25in for 951-2 LEGO TC logo Master Disk, Apple IIe/IIgs Catalog: Gear: Software: Educational & Dacta  tclogofloppy2  Education Instruction Floppy Disk 5.25in for 951-2 LEGO TC logo Operating Disk, Apple IIe/IIgs Catalog: Gear: Software: Educational & Dacta  tclogofloppy3  Education Instruction Floppy Disk 5.25in for 966-1 LEGO TC logo Master Disk, MS-DOS Catalog: Gear: Software: Educational & Dacta  950035disc  Education LEGO Lines Control Software Master Program Disk (Apple II Version) Catalog: Gear: Software: Educational & Dacta