Drive around the farmyard picking up animals in your tractor when you land on a +1, +2, +3 or +4 and dropping off when you land on a -1 or -2. A fun introduction to adding and subtracting. A fun introduction to adding and subtracting. 4 tractor and trailer playing boards included. Guide enclosed. 2 or more players. For ages 4 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. This toy does not provide protection.