 Watch rod is best for children. All too often young anglers are bought unsuitable fishing equipment. The obvious consideration is the type of fishing intended. Seamain types are fishing linked above. This establishes where and what to fish for. Considerations regarding the angler are overlooked. How patient? How dexterous? How strong? How tall? How skilled? Course angling is usually best for the pole before progressing to rods and reels, which can require modification. See soaring a diamond ninja rod in the link above. Fly fishing is supposed to be more difficult, but for many children it's too difficult. An 8 foot medium action 5 weight rod with 6 weight floating line is usually best for children over 10 years of age. For sea fishing an 8 to 10 foot spinning rod or carp rod. In the USA and Europe many beginners start with the lure rod and reel. The intention is the same to keep it simple and enjoyable. Avoid combo kits lined to tangle, float to sink and nets are too small. Avoid eBay and go for trusted brands. Reserve budget for a seat box, landing net, unhooking mat and terminal tackle.