There are many manufactures of these multi challenge puzzles. Some shown below are SMART GAMES, POPULAR PLAYTHINGS, BINARY ARTS.
I like this type of puzzle as you can choose the level of difficulty.
SMART GAMES
Quadrillion Value £10. Asteroid escape £8
Hide and seek Safari Not common £10. Hide and seek Pirates £8 (no box)
Monsters not common £10. Anaconda £8
Airport No box £8. Anti Virus £10
Go Getter £4
Great puzzle. Pieces change shape. Rare £12
Missing the fireman so only worth £5
Not common £10
POPULAR PLAYTHINGS
Interlock fairly rare £12 Funny Farm fairly rare £12
Kayak cove fairly rare £12 Bumper Cars Quite common £10
OTHERS
Dig It really good Rare £12 Logic Links Fairly common £10
Club 2% Quite rare £12
Chicken suffle. £3. Super puzzle common £2. Hexes rare. £4