- Repetitive use of objects such as repeatedly switching lights on and off or lining up toys
- Stereotyped and repetitive body movements such as hand flapping and spinning
- Usually intense or focused interests
- Insistence on sticking to routines, such as travelling the same route home each day and doing things in exactly the same order every time
- Unusual sensory interests such as sniffing objects or staring intently at moving objects
- Sensory sensitivities including avoidance of everyday sounds and textures such as hair dryers, vacuum cleaners and sand
- Extra sensitive to triggers, like light and sound