“Make a Periscope (50 Sets)” has been added to your cart. Continue shopping Product Price Quantity Subtotal ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Giant Periscope (without display stand) ₹8,700.00 Giant Periscope (without display stand) quantity ₹8,700.00 Make a Periscope (50 Sets) ₹1,100.00 Make a Periscope (50 Sets) quantity ₹1,100.00 Coupon: Cart Totals Subtotal ₹10,220.00 9% CGST ₹820.80 9% SGST ₹820.80 2.5% CGST ₹27.50 2.5% SGST ₹27.50 Total ₹11,917.00 Continue Shopping Checkout