“Make a Pinhole Camera (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 1 to 6 Number Puzzle ₹180.00 1 to 6 Number Puzzle quantity ₹180.00 Make a Pinhole Camera (50 Sets) ₹1,100.00 Make a Pinhole Camera (50 Sets) quantity ₹1,100.00 Coupon: Cart Totals Subtotal ₹1,700.00 9% CGST ₹37.80 9% SGST ₹37.80 2.5% CGST ₹4.50 2.5% SGST ₹4.50 Total ₹1,785.00 Continue Shopping Checkout