During the month one of the things we did was attend a Valentines Day party with other homeschool families in the area. My children needed valentine boxes for the event to go with the card exchange.
My 12 year old is a Dr. Who fan so she decided she was going to make a Tardis for her box. She did this on her own, without any designs.
My 9 year old was having a harder time coming with with an idea so we browsed pintrest for some ideas. He saw an Angry Birds box, so decided that was what he wanted to make. Big sister helped him some, but most of it was his work.
All I needed to do was provide supplies and make a couple cuts with a craft knife. I was impressed to see how much they could do on their own.
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If you have a LEGO fan check out all the creative LEGO writing prompts at Homegrown Learners. There are many sets, both seasonal and general.