Hey, worksheets are available online easily. But searching age appropriate sheets can be tedious. You can subscribe to activity boxes, we did recently subscribe to Wonderlearn for kids activity box, it's got great activity sheets n puzzles. Very effective in keeping kids engaged for longer. My elder one is hooked to it, all toys are good quality, reusable multiple times over. Do check

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If you are looking for a academic wise and fun learning option do check Wonderlearn a Learning Solutions Subscription for 2-4.5 years old. I have this kit with me for my kid. High quality reusable toys - so learning is permanent. Each subscription includes: A physical kit with toys, puzzles, board games,, activity sheets,books, art &amp; craft and a digital kit with interactive games, educator videos delivered through an online learning interface.