Shadow Stacking Rings by David Thorp (Gold & Stone Ring) Artful Home Shadow Stacking Game Matching Shadow Game for Children. Find the Correct Shadow Stock Vector Shadow Matching Game For Kids for Android Download. Stacking blocks are a must to have at home. The play possibilities are endless with no rules or guidelines. With these blocks, kids can learn about shapes, colour sizes and balance. This set comes with an instruction booklet that will give ideas on how to get the shadow of your masterpiece. Comes with 12x stacking blocks, 1x stacking tower frame and 1x shadow stacking game booklet. Each block measures approx 4 8cm W x 3 4. 5cm H x 2. 4cm W Suitable for ages 3+