Here are some useful links to website where you can buy Rhythmic Gymnastics equipment, leotards & accessories.

West Coast Rhythmic - Equipment

Jassy USA - Toe Shoes & Accessories

Action Rhythmics - Equipment

Rhythmic Gymnastics - Equipment

Romsports - Equipment (Canada)

Olynstone - Leotards (Japan)

Blesk - Leotards (Russia)

Etsy - Leotards