Amazon has the Motivation Without Borders Math Posters 11-Pack for $20 - $2 off with coupon 10MathDeal = $18 with free shipping on $25+ or with Prime. Features each poster measures 13" x 18', non-laminated, includes times table chart, division chart, numbers poster, place value, and more.
Has excellent Amazon Reviews.
Amazon has the UBTECH Mythical Series UnicornBot Kit (JRA0201) for $60 with free shipping. List price: $120. This enchanted Unicorn kit has everything needed to create a buildable, codable robot or invent your own. Download the free Jim app that has step-by-step, 3D, 360° instructions.
Has good Amazon Reviews.
Walmart has the 69-Piece Crazy Forts Construction Toy (CF1) for $40 with free shipping. List price: $56. Includes 25 geometrically precise balls and 44 sticks as frame materials. Come with 69 child-safe toggles and rods that join together to build any play space from your child's imagination.