Coloured sands and gravels, decorative pebbles and micro beads. We sell the Crystal Colours Ltd range of decorative aggregates which includes glass beads, coloured sands, gravels and polished pebbles. Perfect for use in aquariums and fish tanks, they can also be used to make fabulous multi-coloured display pieces. All the products are non-toxic and made to the highest standards. Choose based on size of of pieces, from 0. 5mm fine sand to 45mm Pebbles.

Уважаемые коллеги и друзья! В этом году ОКБ Ритм исполняется 35 лет. 25-27 сентября в Таганроге пройдёт юбилейная Всероссийская конференция, посвященная этому событию.

As of July 10th, Peter McLaren has left his position at the RI Department of Education as State Science Supervisor. Peter has always been a supporter of the RI Science Teachers Association, serving on the board and bringing energy around improving and highlighting science education in Rhode Island. We wish Peter well as he moves on to his new position at the national level in Washington, D. RISTA members have access to over 4000 items in the NSTA Learning Center! All science educators are encouraged to.

I tweet, facebook and blog. Introducing Lady, my Dachshund. This smallest of the hounds is short on leg but long on personality. Meet Lady, a Dachshund puppy of three months. This breed is very particular. Her versatility makes her an excellent family companion! September 4, 2013.