S (Mini) : 32 x 26 x 8 cm – Kindergarten – For a child measuring between 1m and 1.20m

M (Medium) : 38 x 31 x 12 cm – CP to CE2 – For a child measuring between 1.10m and 1.30m

L (Large) : 41 x 32 x 16 cm – End of primary school – For a child measuring between 1.28m and 1.60m