Sets using Brick 10 x 20 with Bottom Tubes in single row around edge, with dual '+' Cross Supports

×1

10-1

Universal Building Set

×1

110-1

Universal Building Set

×1

111-1

Universal Building Set

×1

112-1

Universal Building Set

×1

113-1

Universal Building Set

×2

114-1

Universal Building Set

×1

20-1

Universal Building Set

×1

30-1

Universal Building Set

×1

40-1

Universal Building Set

×2

50-1

Universal Building Set