Important Notice: High Volume of Orders in November and December
Dear Valued Customer, as we approach the busy sale period, we’d like to inform you that November and December are high-volume months. During this time, order processing and delivery will take longer than usual.
Our team is working hard to fulfill each order as quickly as possible. We appreciate your understanding and patience during this period.
Thank you for your continued support!
We deliver locally and provide international shipping to all countries!
Established in 2008, onSponge is the developer and brand owner of the +hinkingMath program specifically designed for the learning of Mathematics for students in primary schools. The +hinkingMath Workbooks have been adopted by more than 1 in 2 schools in Singapore since inception.
Beyond the +hinkingMath books, onSponge also delivers its learning programs through other channels such as learning centres, workshops and events. Enquire with us today to find out more!