These are part of the highly collectable Hot Wheels  Range

In the Hot Wheels Slime Collection there are  8 different coloured barrels of slime to collect, 

each barrels contains one of 16 different Hot Wheels Cars.

Each barrel contains

one random HOT WHEELS car, contained in one of 8 coloured slime barrels,

plus a mini poster with information about the HOT WHEELS Collection.

Suitable for ages 3 years+