What do our environmental education days include? Expand Exclusive use of the Discovery Den Education Centre including inside classroom and outdoor classroom/picnic area. All activities led by fully trained staff. All equipment and materials included in the cost of your visit. Full risk assessments for all activities. Wide range of study locations including; lakes, river, woodland, grassland, wetland. Toilet facilities including accessible toilets. Free places for accompanying adults. Day courses cost £170 for up to 36 pupils.