SCIENCE AND MATHEMATICS KITS: NCERT has developed science and mathematics kits. Upper Primary Science Kit Upper Primary Science Kit. Secondary Science Kit Secondary Science Kit. Sr. Secondary Microscale Chemistry Laboratory Kit Sr. Secondary Microscale Chemistry Laboratory Kit. Solid State Model Kit Solid State Model Kit. Molecular Model Kit Molecular Model Kit. Upper Primary Mathematics Kit Upper Primary Mathematics Kit. Secondary Mathematics Lab Kit Secondary Mathematics Lab Kit. Secondary Science Lab Kit (Biology) Secondary Science Lab Kit (Biology). Secondary Science Lab Kit (Physics) Secondary Science Lab Kit (Physics). Secondary Science Lab Kit (Chemistry) Secondary Science Lab Kit (Chemistry).