R2-D2

What there is most of

• Brick Curved 1 x 2 x 1 1/3 with Curved Top · White×4
• Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) · White×4
• Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) · White×4
• Technic Pin 1/2 without Friction Ridges · Light Bluish Gray×4
• Brick Sloped 30° 1 x 2 x 2/3 · White×3
• Tile Special 1 x 2 Grille with Bottom Groove · Dark Blue×3
• Brick Curved 2 x 4 x 1 1/3 · White×2
• Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side · Light Bluish Gray×2
• Plate 1 x 1 · White×2
• Plate 1 x 2 · White×2
• Plate 1 x 2 · Light Bluish Gray×2
• Plate 2 x 2 · White×2
• Plate 2 x 3 · White×2
• Plate Round 1 x 1 with Solid Stud · Flat Silver×2
• Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) · White×2
• Plate Special 1 x 2 with Pin Hole on Top · White×2
• Pneumatic T-Piece (T Bar) [New Style] · Light Bluish Gray×2
• Technic Axle Pin with Friction Ridges Lengthwise · Blue×2
• Technic Beam 1 x 5 Thick · White×2
• Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin · White×2

The twenty most numerous parts, longest bar first. Start a checklist to see all 37 part types and tick them off as you find them.