Kids First Math: Lacing Beads Math Kit with Activity CardsThames & Kosmos Kids First Math: Lacing Beads Math Kit with Activity Cards Time after time, experience shows that learning by manipulating physical objects with ones own hands learning by doing things firsthand, rather than being told about them or reading about them in a book is extremely effective. Thames & Kosmos has a long history of incorporating this principle into science education. Now, we are bringing this experience to the Kids First Math