Straw #2 in the OPT Straw Drinking Hierarchy™. LIP BLOCKS SOLD SEPARATELY. NOTE: Do not put in dishwasher.The difficulty in drawing liquid through the straws increases as your child or client moves up the hierarchy. Straw #1 is the easiest, #8 is the most difficult. Shape may vary, but difficulty and efficacy are unchanged.
“Keen Readers Programme 健儿识字乐园 1” has been added to your cart. View Enquiry List








