Walmart has the Playmobil Aquarium (9060) for $33 with free in-store pickup or $5.99 shipping to home. List price: $60. Features 3 figures, 3 seals, colorful fish and sea creatures, bucket with fish, coral, recycle bins, feeding time clock, accessories.
Amazon has the National Geographic Mega Gemstone Mine Dig Kit for $20 with free shipping on $25+ or with Prime. Comes with 15 gemstones including pyrite, amethyst, tiger's eye, fluorite, quartz, obsidian, aventurine and more. Has excellent Amazon Reviews
Walmart has the LEGO Star Wars TM First Order Heavy Assault Walker (75189) for $110 with free shipping. List price: $150. Includes 5 minifigures: Captain Poe Dameron, Rey, a Resistance Trooper, First Order Walker Driver and a First Order Stormtrooper.