Some pavers and bricking and a set of $20 outdoor bowling pins and you've got a fun addition for under $75

The chess set is about $100 and the cost of 32 pavers

This bench only needs 8 Cinder blocks (about $3 each) and Some wood. The cushion would be your biggest expense. Easy, fast and cheap

A mini projector averages about $40, the solar string lights about about another $40

Turn an old used bunk bed into a star gazing loft, use your kid's or buy one at a garage sale if you're on a budget

How about a backyard beach for the cost of a few bags of sand. Sitting logs are free and fire pits are cheap

Make a walkway with some stain and the slats off of a pallet (some places will give that to you for free)

Solar walkway lights can light your gardens or a path and light up your evening gatherings for less than $50

Dig a hole, fill in some bricking, dump in some coals and throw some chairs out. This DIY can be as expensive or as cheap as you want

Another case where just some solar lights can liven up any outdoor space. $40 a strand

Turn an old trampoline into a swing.

Another use for wooden pallets, cushions are your major expense.

A wooden pallet swing bed with free pallets, you just need the cushion, rope, and muscle

Another use for that old trampoline. Use a large canvas cover on top and tie it at the sides. Add some solar string lights and you'll have a romantic little canopy hideaway.

Dig a hole, line with bricks, throw in some coals and get some marshmallows.

Create a mini race track for your kids RC cars

A pallet bar or work area is another good use for a free pallet

These solar fountains can go ANYWHERE! They're perfect to add to a birdbath, your kiddie pool, a regular pool or even just a bucket. THe attachments all sound different. These are about $10. Add a pond or pool solar light underneath for another $20. You can even take an old flower pot, seal the bottom hole, and have your own lit fountain

Use creates as creative vertical shelving. Ask your grocer or buy some for under $15