amazon is always a good call, but they can be more expensive on there. same with n e local hobby or craft stores - look for kids pony beads. and remember if it's a chain then it's free reign ;)
if ur in the uk then here's the link to two good stores for kandi beads:
- https://www.beadsunlimited.co.uk/collections/pony-beads
- https://www.creativebeadcraft.co.uk/acrylic-and-plasti-beads-and-stones/barrel-pony-beads.asp