Transformer / Controller 12V

What there is most of

• Brick Round 2 x 2 with Axle Hole · Black×4
• Brick Sloped 45° 2 x 3 · Black×4
• Electric Connector, 1 Way Male Squared [Complete Assembly] · Light Gray×4
• Brick 1 x 8 · Black×2
• Brick 2 x 4 · Black×2
• Plate 2 x 4 · Light Gray×2
• Technic Brick 1 x 4 [3 Pin Holes] · Black×2
• Technic Bush · Light Gray×2
• Control Switch, Train 12V Transformer Speed Throttle · Black×1
• Electric Adapter / Transformer, Train 12V, 220V Type 1 · Light Gray×1
• Plate 1 x 6 · Black×1
• Plate 4 x 6 · Black×1
• Technic Axle 2 · Black×1
• Technic Axle 6 · Black×1
• Technic Axle 8 · Black×1
• Technic Gear 24 Tooth [Old Style - Three axle holes] · Light Gray×1
• Technic Gear 24 Tooth Crown with Flat Teeth · Light Gray×1
• Technic Plate 2 x 8 [7 Holes] · Black×1
• User Guide, Information Note for Parents, 12V Transformer - 108681 · [No Color/Any Color]×1
• Wire 12V / 4.5V with Two Leads [Undetermined Length] · Light Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 20 part types and tick them off as you find them.