Leckey Early Sitting System (ESS)

The Early Sitting System (ESS) is developed especially for kids aged 18 to 48 months, to help children with special needs to develop and grow.

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The Early Sitting System (ESS) is developed especially for kids aged 18 to 48 months, to help children with special needs to develop and grow. The unit itself has a small footprint, enabling valuable interaction with other kids.

Much more than just a seat base, the lightweight structure of the system gives young children the support they need to maintain a stable sitting position. Yet the dynamic trunk support allows enough movement to encourage kids to explore their environment, thereby developing physical, cognitive and sensory skills.

The trunk support can be secured in an upright sitting position or locked at any prone angle in order to maintain flexibility. It is also height adjustable can be positioned to provide the appropriate level of support for each child.

Size Chart
Squiggles Early Sitting System
Average Age
1-4 years
User Weight Capacity
38 lbs. (17.2 kg)
Maximum User Height
39.5 (99 cm)
Seat Width
(min – max)
5.9-7.9″ (15-20 cm)
Seat Depth
(min – max)
7.5-10″ (18.75-25 cm)
Dynamic Trunk Support Width (Minimum achieved with Spacer Pads)
(min – max)
6.3″-11.6″ (16-28.75 cm)
Dynamic Trunk Support Height
(min – max)
7.5″-10″ (19-25.5 cm)
Dynamic Trunk Support Angle Adjustment
75° – 115° degrees

Lap Belt (min – max)
(Pelvic Circumference)

20-22.5″ (50-56.25 cm)