This barrel roll allows gentle rocking and rolling experiences for balance training. It is for use only as a therapeutic piece of equipment for children to roll on to improve core muscle strength and to improve balance. PLEASE NOTE, THIS IS NOT A TUNNEL TOY. For use under adult supervision only. Children should wear socks but remove shoes and SHOULD BE DISCOURAGED FROM CLIMBING INSIDE THE BARREL ROLL, to avoid getting stuck. 56 x 51 cm. Internal diameter 30.5cm