Ertl Big Farm 24 Pack Of Square Bales with Holstein Calf (x24 bales and x1 Calf) 1/16 Scale 1/16 Scale Ertl Big Farm 24 Pack Of Square Bales with Holstein Calf x24 Pack of square bales. ERTL's Big Farm is just like the real thing, only smaller! Durable enough for indoor and outdoor play! Compatible with Big Farm Vehicles (sold separately) x1 Highly Detailed Hand Painted Holstein Calf