do-it-yourself kits

noun
UK /ˌduːɪtjɔːˈself kɪts/
US /ˌduːɪtjərˈself kɪts/

These are boxes with all the parts and instructions you need to make or fix something by yourself.

My brother got a do-it-yourself kit to build a small birdhouse.


OTHER MEANINGS

2. Sets of materials sold for home repair tasks.

The store sells do-it-yourself kits for fixing leaky taps.

3. Packaged craft sets for children to complete on their own.

She bought a do-it-yourself kit to make friendship bracelets.

4. Starter packages for learning a new skill at home.

He used a do-it-yourself kit to learn basic electronics.