You could find Isosceles Triangle Magformers in the following sets:
- Amazing Construction Set 50
- Magformers Smart Set 144
- Basic KS1/KS2 Classroom Pack Inc Storage
- Maths KS1/KS2 Basic Pack Inc Storage
- Magformers Wonder Creator Set
- Magformers Fantasy Land Set
- Magformers Basic 90 Set + Storage Box
- Magformers Dynamic Flash LED Set
- Magformers Basic 40 Set + Storage Box
- Animal Jumble Set 60
