Baupsiel has used the seven colours of the rainbow for their own rainbow. This set comes with both halves for those of you looking for a full rainbow circle :D
From Germany's Bauspiel.
Measurement: Rainbow Full Circle 14 pieces Size: Ø 35 cm, depth of 5 cm
Note that the finish on these is matte and grippy, perfect for adding some extra friction to help with building.
Age Recommendation: 3+ Years
Care Instructions: For care simply use soapy water with a damp cloth for cleaning. Dry immediately. Please do not submerge in water and do NOT use disinfectant or hot water.