Basic Building Set in Cardboard

What there is most of

• Brick 2 x 4 without Cross Supports · Red×10
• Brick 2 x 4 without Cross Supports · White×10
• Brick 1 x 2 · White×6
• Brick 1 x 2 · Red×6
• Brick 2 x 2 without Inside Ridges · Red×5
• Brick 1 x 2 · Trans-Clear×4
• Brick 2 x 2 without Inside Ridges · White×4
• Brick 2 x 3 without Cross Supports · White×4
• Brick 2 x 3 without Cross Supports · Red×4
• Brick 10 x 20 without Bottom Tubes, with '+' Cross Support (early Baseplate) · Light Gray×1
• Brick 2 x 2 without Inside Ridges · Blue×1
• Brick 2 x 2 without Inside Ridges · Black×1
• Brick 2 x 2 without Inside Ridges · Yellow×1

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