Follow the pattern with the UV pen - then watch it fade before your eyes...The reverse side of the Glo Board Hills Valley & River has a dry wipe surface for extra versatility. The Glo Board Hills Valley & River is ideal for sensory play - stimulating and gives instant feedback. Creates a calming mood.Our 'Glo' products are made from a polymer based material containing glow crystals to create a truly unique magical effect. The items will re-charge when exposed to the sun or ambient light and glow when placed in the dark.This Glo board invites children to use the UV pen to track the shaped groves in the board, developing fine motor skills and hand-eye co-ordination. As the pattern lights up, it gives a child an instant reward and will encourage them to do it again and again, making the activity self-rewarding.Visual and sensory stimulation.Develops hand-eye co-ordination and tripod/pencil grip.EYFS & Key Stage 1.UV Glo pen included.Self-rewarding activity.