12 identical blue triangles – Nienhuis Montessori
The Nienhuis Montessori 12 identical blue triangles allow the child to explore the concepts of equivalency, congruency and similarity. The set includes 12 right-angled scalene triangles and a beechwood storage box with lid.
An activity set for additional exercises with the identical blue triangles is also separately available.
This material is suitable for children aged 5 years and up.
1 wooden storage box with lid