EDX Education 53909 Interlocking Cube, 1 cm (Pack of 1000)
Edxeducation Interlocking Cubes - Set of 1,000 - 1 cm Connecting Blocks in 10 Colours - Practice Maths, Sorting, Construction and More! MULTIPLE INTERLOCKING POINTS -- Plastic 1cm cubes in 10 colours connect on 4 sides.