Maths.  - 

IMG_0369-1

source: Julie (Lyon, France) “Golden Ratio”, Rebecca A (Sweden), Mathilde (Sweden)

Pi.  - 

IMG_1202

source: Julia PJillie (Sweden), Michelle (Borås)

Small.  - 

IMG_20130330_142510-1_Melissa

IMG_2848

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source: Julia (Xanten, Germany), Charlotte (Bristol), Annie (Värnamo, Sweden)

Saturday Randoms.  - 

source: Karoline (Kerteminde, Denmark), Jonna (Stockholm) joonnaak.blogg.se, Emma (Lund, Sweden)