“Compact Portable 30mm Periscope” has been added to your basket. Continue shopping Product Price SKU Quantity Subtotal DIFFRACTION GRATING SLIDE 3 IN ONE EDUCATIONAL DIFFRACTION GRATING SLIDE 3 IN ONE EDUCATIONAL quantity × $59.15 SKU: ESP60456 Subtotal: $59.15 Remove $59.15 ESP60456 DIFFRACTION GRATING SLIDE 3 IN ONE EDUCATIONAL quantity $59.15 Educational Laser Source 0.5MW Educational Laser Source 0.5MW quantity × $765.00 SKU: ESP60419 Subtotal: $765.00 Remove $765.00 ESP60419 Educational Laser Source 0.5MW quantity $765.00 BLOCKS SET OF 7 ACRYLIC BLOCKS BLOCKS SET OF 7 ACRYLIC BLOCKS quantity × $59.15 SKU: ESP60447 Subtotal: $59.15 Remove $59.15 ESP60447 BLOCKS SET OF 7 ACRYLIC BLOCKS quantity $59.15 GLASS BLOCK, RECTANGULAR Size 100 X 60 X 18MM GLASS BLOCK, RECTANGULAR Size 100 X 60 X 18MM quantity × $6.16 SKU: ESP60434 Subtotal: $6.16 Remove $6.16 ESP60434 GLASS BLOCK, RECTANGULAR Size 100 X 60 X 18MM quantity $6.16 Compact Portable 30mm Periscope Compact Portable 30mm Periscope quantity × $37.04 SKU: ESP60460 Subtotal: $37.04 Remove $37.04 ESP60460 Compact Portable 30mm Periscope quantity $37.04 Coupon: Clear shopping cart Update cart Basket totals Subtotal $926.50 Total $926.50 Proceed to checkout Continue shopping