You can't make them, however...
Magic secateurs are a Farming tool obtained during the A Fairy Tale Part I quest, they are the only weapon able to damage Tanglefoot in Zanaris. When fighting Tanglefoot, the damage done is based on the players' Farming level instead of their Strength.
Ardourgne
There is no "magic mage" on RuneScape. There are various ways to train magic, and there are various mages, or wizards.
Magic string can be made from magic roots, obtained from a player-owned magic tree, by using a spade on it once its fully cut down.
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Magic bonuses.
String is a very general term and can refer to bow string, crossbow string, and/or magic string. Bow strings are used in RuneScape to make bows or crossbows in RuneScape with the appropriate Fletching skill and magic string is used in RuneScape to create Nature Amulets with the Crafting skill with the appropriate level required.
You can make them yourself with talismans. If you look at Sal's Realm of Runescape it will tell you where the rune altars are.
It gives good magic stat boosts.
To get runes, you can either buy them from the various magic shops around Runescape, on the Grand Exchange, or make them from rune essence and pure essence at the runecrafting altars hidden around runescape. If you need help, my runescape username is Xeyran.
Secateurs can be sharpened using a fine sharpening stone. It is important to first use oil on the secateurs to lubricate them. Only sharpen the outside blade on bypass secateurs.?æ?æ
Make some money on the game and spend it on some runes, and cast the spell you can cast and you will get magic xp for casting it on enemies.
There is no magic planks in runescape. Only plank, oak plank, teak plank and mahogany plank.