Start-Stop Rail and Straight Rail

What there is most of

• Duplo Brick 2 x 2 x 2 with 1 x 2 Center with Red Straight Arrow Print (Train Track Switching Control) · Yellow×1
• Duplo Train Track 4 x 8 Straight · Dark Gray×1
• Duplo Train Track Start / Stop · Dark Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 3 part types and tick them off as you find them.