Check this unique innovative orthopedic seat - posture corrector invented by Russian scientist Vladimir Tolstunov (RF Patent # 2276571)
Compared to the original Spine-Ok seat, 3D-seat has 2 additional wheels at the back preventing a child to recline.
It is relevant for children and is famous for its healing effects:
* back pain relief
* stress level reduction
* posture correction
* spine flexibility and strength restoration
* headache relief
* P.M.S. pain relief
* partial restoration of eyesight
* improvement of sleep, mood and overall health
Just seat on it and the healing works starts automatically!
Watch the video for details and instruction manual - https://www.youtube.com/watch?v=2_8wvxpIVvY
More details here: https://ecominded.net/russian-orthopedic-seat