From the TOFT website: 

Hand-packed into a recyclable and recognisable TOFT box, this crochet kit comes with all the materials and tools you'll need to complete your project, including TOFT's super soft pure DK wool and a printed pattern. 

When finished each MINI animal will be approximately 8cm high when in the sitting position.
When finished each STANDARD animal will be approximately 18cm or more high when in the sitting position.

Toft kits indicate relative difficulty level, this is indicated on the box:

Level 1: This kit is suitable for beginners.
Level 2: This kit is suitable for enthusiastic beginners or those who have crocheted before.
Level 3: This kit is more suitable for those with some crochet experience.
Gregor the T-Rex is Level 2, Caitlin the Giraffe and Natalie the Otter are Level 3. 

Each kit contains:
TOFT's luxury DK pure wool yarn in all colors needed for your project
A length of black thread for the eyes and nose
A soft grip 3mm TOFT crochet hook
Wool needle
Premium polyester toy stuffing
Postcard pattern with instructions for making your animal
Getting started crochet advice leaflet with links to our 'how to' YouTube videos