Our unique Sphere can be totally dismantled to demonstrate simple sphere and hemisphere properties or can be built up to demonstrate parts. Includes a clear sphere with content that measures 11 cm.
24.5cm x 24.5cm peg board has two sliding axes lines that help with algebraic thinking. Use the pegs and rubber bands to do functions, conic sections and line segments. CONTAINS 71 PCS - 1 pegboard50 pegs20 rubber bands