This touch kit in mathematics offers 20 activities with leaves inspired by nature.Use sensor leaves and bilateral maps with activities for tactile training in mathematics both in the classroom and at home. Cards for activities and management developed by teachers, introduce initial mathematical skills and include suggestions for other fun activities related to nature.The sensor leaves are in 6 different types, 6 different colors and 3 different sizes, making them ideal for collecting, subtracting, sorting, comparing and many other activities. Once the fun with learning is over, the parts are stored in a healthy, repeatedly usable box ready for the next use.They're made of 100% recycled plastic.The kit includes 36 sensor sheets, 10 bilateral activity cards and 1 activity manual.The cards for activities are dimensions 28 x 21.5 cm.