Sloping Ridge and Valley Bricks, Blue

What there is most of

• Brick Sloped 45° 2 x 2 Double Convex · Blue×10
• Brick Sloped 45° 2 x 2 Double Concave · Blue×5
• Brick Sloped 45° 2 x 1 Triple with Hollow Underside · Blue×3
• Brick Sloped 45° 2 x 1 Double / Inverted with Bottom Tube · Blue×1
• Brick Sloped 45° 2 x 2 Double Convex / Double Concave · Blue×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 5 part types and tick them off as you find them.